Fishtail

Fishtail (pronounced fish-teyl)

(1) As "to fishtail" or "fishtailing", to swerve or skid from side to side, as the rear end of a car (an oversteering sequence).

(2) In aviation, to slow an airplane by causing its tail to move rapidly from side to side; such a maneuver.

(3) A gas burner having two jets crossing each other so as to produce a flame resembling a fish's tail.

(4) A device having a long, narrow slot at the top, placed over a gas jet, as of a Bunsen burner, to give a thin, fanlike flame.

(5) In nautical design, a propeller consisting of a single blade that oscillates like the tail of a fish while swimming.

(6) In jewelry design, a setting consisting of four prominent triangular corner prongs to hold the stone.

(7) In dance, a step in ballroom dancing in which the feet are quickly crossed

(8) In fashion design, a dress or skirt with a flowing, scalloped hemline sometimes longer at the back than at the front, flaring usually from about the knee.

(9) A kind of chisel with a flared blade.

(10) In hair-styling, a two-stranded braid.

1400–1450: From the late Middle English, the construct being fish + tail.  Fish the noun (strictly a vertebrate which has gills and fins adapting it for living in the water but the word came to be more widely applied, zoologically) was from the Middle English fisch, from the Old English fisċ (fish), from the Proto-West Germanic fisk, from the Proto-Germanic fiskaz (fish) (source also of the Old Saxon, the Old Frisian & the Old High German fisc, the Old Norse fiskr, the Middle Dutch visc, the Dutch vis, the German Fisch & the Gothic fisks) and related to the West Frisian fisk, the Danish, Norwegian & Swedish fisk, the Irish iasc & the Latin piscis; Root probably either the primitive Indo-European peysḱ- (fish) or pisk (a fish) but at least one etymologist, on phonetic grounds, has suggested it might be a northwestern Europe substratum word.  Fish the verb is from the Old English fiscian (to fish, to catch or try to catch fish), and was cognate with the Old Norse fiska, the Old High German fiscon, the German fischen & the Gothic fiskon, all derived from the noun.  In popular use, since Old English, fish has been used to apply to "any animal that lives entirely in the water," hence shellfish & starfish although, in English there’s an early fifteenth century document which describes fishes bestiales as "water animals other than fishes").  Today, aquatic mammals like dolphins are presumed fish by some.  The plural is fishes, but in a collective sense, or in reference to fish meat as food, the singular fish is commonly used as a plural so, except for the pedants, that battle is lost.  Regarding the heavens, the constellation Pisces is from the late fourteenth century.  The hyphenated form fish-tail is common.  Fishtail is a noun & verb and fishtailing & fishtailed are verbs; the noun plural is fishtails.  Presumably, were one to be employed to chop the tails off fish, one would be called a "fishtailer" but the term seems never to have been used. 

An artist's depiction of Lindsay Lohan as mermaid.

Tail was from the Middle English tail, tayl & teil (hindmost part of an animal), from the Old English tægl & tægel (tail), from the Proto-Germanic taglaz & taglą (hair, fiber; hair of a tail) (source also of the Old High German zagal, the German Zagel (tail), the dialectal German Zagel (penis), the Old Norse tagl (horse's tail) and the Gothic tagl (hair), from the primitive Indo-European doklos, from a suffixed form of the roots dok & dek- (something long and thin (referring to such things as fringe, lock of hair, horsetail & to tear, fray, shred)), source also of the Old Irish dual (lock of hair) and the Sanskrit dasah (fringe, wick).  It was cognate with the Scots tail (tail), the Dutch teil (tail, haulm, blade), the Low German Tagel (twisted scourge, whip of thongs and ropes; end of a rope), the dialectal Danish tavl (hair of the tail), the Swedish tagel (hair of the tail, horsehair), the Norwegian tagl (tail), the Icelandic tagl (tail, horsetail, ponytail), and the Gothic tagl (hair). In some senses, development appears to have been by a generalization of the usual opposition between head and tail.  The OED (Oxford English Dictionary) suggested the primary sense, at least among the Germanic tongues, seems to have been "hairy tail," or just "tuft of hair," but already in Old English the word was applied to the hairless "tails" of worms, bees etc.  The alternative suggestion is that the notion common to all is that of the "long, slender shape."  It served as an adjective from the 1670s.  A long obsolete Old English word for tail was steort.

1952 Vincent Black Shadow with four-port “fishtail” exhaust extension.

An unmistakable look, the “fishtail tip” polarizes opinion; it really is a “love it or hate it” fitting but they retain great popularity in the Harley Davidson community, a crew as devoted to their machines as any.  There are many modern takes on the design; while all feature the characteristic vertical, narrow flare in the distinctive shape, many are upswept and some protrude from the back more than others.  As well as the look, fishtails often are advertised on the basis of their sound (loud) and internally, are tuned to create different resonances, the ears of Harley Davidson riders as sensitive to the variations as are collectors of Stradivarii.

1937 Norton Model 30 International with Brooklands Can (technically the Brooklands Silencer) (left) and 1934 MG Magnette 'K3' Specification Supercharged Roadster (right).

One of the world’s first dedicated venues for motorsports and aviation, England’s Brooklands motor racing circuit was built in 1907, predating the IndianapolisMotor Speedway by two years.  Located in what had until then been the quiet little hamlet of Weybridge in the county of Surrey, some 20 miles (12 km) south-west of London, it sits 9 miles (14.5 km) south of Heathrow Airport and a portion of the original outer circuit (originally 2.75 miles (4.4 km) in length with the banking in places rising almost 30 feet (9.1 m) high) still exists.  Then, as now, Motorsport was a very noisy business and as the sport boomed in popularity after World War I (1914-1918), the tolerance of the inhabitants of Weybridge must have been tested because there’s a record of complaints about the noise (especially on Sundays and during the 24 hour events sometimes run) and eventually, in September 1924, a group commenced in the High Court an action in the tort of nuisance.  By July 2025 (reasonably brisk by the standards of the legal system), a settlement was agreed which included a permanent injunction limiting the days and hours of operation and the creation of the novel “Brooklands Can”, a design of muffler which could be adapted to both cars and motorcycles.  Were it created today, it'd likely be dubbed the “Brooklands Nimby” (not in my backyard).

1937 Norton Model 30 International with Brooklands Can (Left), diagram of Brooklands Can for a number of contemporary 1930s MGs close to the Magnette NE (1934) specification (centre) and a Luminous White male Guppy (right).

What the High Court’s injunction required was even on those days when racing was allowed, noise levels had to be reduced and the obvious solution was a muffler (in England then known optimistically as “silencers”) and the case turned out to be influential as the century progressed, often cited as the way a court might balance technological progress, any public nuisance created and the right of individuals to the “quiet enjoyment” of life in their homes.  Interestingly, the French (silencieux) and Italians (silenziatore) followed the English practice while the more practical Germans adhered to the realistic literalness of the Americans with Schalldämpfer (sound damper).  All Brooklands cans had two distinguishing characteristics: a rhomboidal receptacle located close to the engines header pipes which emerge from the exhaust manifold and a fishtail tip (although those used on some smaller capacity cars did terminated in a straight “dump pipe” and depending on the displacement (and thus the volume of exhaust gasses), the dimensions of the apparatus varied.  The “silencer” didn’t make the machines “quiet” in the accepted sense of the word; just less noisy.

Tilly Shilling on her Norton N30 500, Brooklands, July 1935.  Note the fishtail Brooklands Silencer.

Ms Beatrice “Tilly” Shilling (1909-1990) was a pre-modern rarity, a female engineer and amateur racing driver.  Even before gaining a MSc (Master of Science) in mechanical engineering, Ms Shilling had been building and racing motorcycles and it was on her modified (at one point even fitting a supercharger) 490 cm³ Norton M30, she lapped the Brooklands track at 106 mph (171 km/h), a feat for which she was awarded the BMRC (British Motorcycle Racing Club) Brookland Gold Star; she remains only one of three women to have lapped the famous banked circuit “at the ton” before it was closed in 1939.  With the coming of war, she returned the Norton to road use, riding in this form until 1953.

Battle of Britain (1940) era Hawker Hurricane Mk IIA (upper) and Supermarine Spitfire Mk II (lower).

In 1940, while employed as an engineer at the RAE (Royal Aircraft Establishment) at Farnborough, Ms Shilling worked on the "fuel delivery problem" reported by RAF (Royal Air Force) Fighter Command pilots, the Rolls-Royce Merlin V12s in their Hurricanes and Spitfires "cutting out" for as long as 1½ seconds during a "negative G-force maneuver" (pitching the nose hard down), the fuel being forced upwards to the top of the carburetor's float chamber rather than into the combustion chamber, leading to a loss of power.  If the negative G continued, the fuel would collect in the top of the float chamber, forcing the float to the bottom. This in turn would open the needle valve to maximum, flooding the carburetor with fuel, drowning the supercharger with an over-rich mixture which would shut down the engine, a serious matter in aerial combat.  While 1½ seconds doesn't sound long, in combat at altitude, travelling at hundreds of mph, inches and seconds can be critical: the difference between life and death.  The complete solution for fuel starvation was a pressurized fuel system such as the direct injection used by Daimler-Benz 600-series inverted V12s as used in the German fighters but such a development would take months to design, test, manufacture and install.

RAE Anti "G" carburetor restrictor plate instruction sheet.

As a stop-gap measure, Ms Shilling designed a flow restrictor: a small metal disc with a central orifice, looking much like a plain metal washer.  The restrictor orifice was sized to accommodate just the fuel flow needed for maximum engine power, the setting usually used during dogfights and it solved the immediate, critical, problem of the engine shutdowns following flooding.  Officially named the RAE Restrictor or RAE Anti “G” Carburetor, the device proved popular with pilots, who much preferred to call it Miss Shilling's orifice or the Tilly orifice.  The simple and elegant solution proved effective until pressurized carburetors (essentially throttle-body injection, a simplified version of the Daimler-Benz direct fuel injection) were developed which permitted even inverted flight.  With a backpack of RAE Restrictors, she toured RAF airfields on the same Norton N30 500 on which she'd once lapped Brooklands at 100 mph, instructing and assisting the maintenance crews with the installation of the devices.  Ms Shilling was a serious engineer making an important contribution to the war effort and was not amused by the nicknames for her invention but, reportedly regarded it as something typical of minds of men, rolled her eyes and carried on with her work.  The orifice was but a footnote in the history of the Merlin and the Allied war effort but did typify the improvisation and speed with which British industry developed "quick & dirty" solutions, especially in the early days of the war.

1933 Napier-Railton.

Driven by John Cobb (1899–1952), this car in 1935 set the Brooklands lap record for the Outer Circuit at 143.44 mph (230.84 km/h) a mark which will stand for all time because after being appropriated in 1939 for military purposes, the facility never re-opened.  The Napier-Railton was powered by a W12 (the so-called “broad arrow”) aero engine of 24 litres (1,461 cubic inch) and because the configuration had the cylinders in three banks of four, three of the Brooklands Cans had to be fitted and, with each bank displacing some 8 litres (487 cubic inch), each system was among the largest ever built.  Away from the delicate ears and aspidistras of Surrey's respectable residents, the machine sometimes ran “unsilenced”, including on the Bonneville Salt Flats where it ran with nothing more open stack exhausts, setting a world 24 hour record at an average speed of 158.6 mph (242 km/h).

1937 Rudge Special 500; like their aquatic sources of inspiration, the fishtail exhausts came in both symmetrical and asymmetric forms.

The sense in common law of tail (limitation of ownership) which endures mostly in the law of real property began as a legal term in English in the early fourteenth century (late thirteenth in Anglo-French & Anglo-Latin); in almost all cases it was a shortened form of entail.  The verb tail dates from the 1520s and was derived from the noun, the sense originally "attach to the tail", the meaning "move or extend in a way suggestive of a tail" dating from 1781.  The meaning “secretly to follow" is a US colloquial creation from 1907, borrowed from the earlier sense of "follow or drive cattle”.  The saying "tail off” (diminish) was noted in 1854.  The tail of a coin (reverse side; opposite the side with the head, hence “heads or tails”) appears to have been first described that was in the 1680s.  The more predictable "backside of a person, buttocks" is recorded from circa 1300, the slang sense of "pudenda" is from the mid-fourteenth century and as a term to refer to an “act of copulation with a prostitute”, it was first noted in 1846.  From circa 1933 it was applied to mean "woman as sex object" is from 1933.  In printing and typography, tail was the technical term to describe the descending strokes of letters from the 1590s.  As “tails”, the formal dress for men (coat with tails), the first advertisements appeared in 1857.  The tail-race, the part of a mill race below the wheel is from 1776.  The phrase “to turn tail” (take flight) dates from the 1580s and was originally from falconry, later to be adopted by the Admiralty and the army.  The image of the “tail wagging the dog” (a minor or secondary part of something which is controlling or dominating the whole or the main part) is from 1907 and was part of the jargon of political science.

A whale fluking its fluke (left) and 1987 Ford Sierra RS Cosworth (1986-1992).

Among the most photographed “fish tails” are those of whales, once hunted for their meat and oil, they’re now charismatic creatures and among nature’s most prolific content providers, their tails “fluking” (appearing above the surface just as a deep dive is about to begin) long an Instagram staple.  Whales are however not fish, all being mammals, they’re thus within the zoological class Mammalia, not Pisces.  The “whale tail” spoiler first appeared on Porsches in 1974 and is best remembered for its use on the 911 Turbo (930, 1974-1989), a vehicle which gained the nickname “widow-maker” because, in unskilled hands, the quirky handling (the 930 wasn’t exactly a “250 horsepower VW Beetle” but the layout was the same and the inherent characteristics thus exaggerated although (up to a point), well-tamed) could lead to “fishtailing” and worse.  The “whale tail” later evolved into the “tea tray” although the original nickname remains more widely used, even of later variants.

Fish appears often in idiomatic use.  The figurative sense of “fish out of water” (a person in an unfamiliar and awkward situation) is attested from the 1610s, the use extended from circa 1750, usually with a modifier (strange fish, queer fish, cold fish) but from at least 1722 it was used in reference to a person considered desirable to “catch”, a sense preserved in the phrase “plenty more fish in the sea”, a form picked up by one dating site.  To “drink like a fish” (one with a habitually high consumption of alcohol) is from 1744 and the “fishy story” (an incredible or extravagant narration) was first noted in 1819, a US colloquial form based on the tendency of anglers to exaggerate the size of “the one that got away”.  Having “other fish to fry” (having other things which demand one’s attention) is from the 1650s.  In optics, the fish-eye lens was patented in 1959.  Fish-and-chips seem first to have been advertised in 1876 and fish-fingers were first sold in 1962.

Lindsay Lohan in fishtail dresses.  Herbie: Fully Loaded premiere, El Capitan Theatre, Hollywood Boulevard, Los Angeles, June 2005 (left); Vanity Fair Oscar Party, Morton’s West Hollywood, Los Angeles, March 2006 (centre); Liz & Dick premiere, Beverly Hills Hotel, Los Angeles, November 2012 (right).

A fitted bodycon construction, the distinguishing feature of the fishtail dress is the flowing, scalloped hemline, often longer at the back and tending to flare from around the knee-line.  Because a successful implementation of the style depends most on length and volume, most fishtail dresses are floor length, many better described as gowns although some have tried shorter variations.  The bodice can vary but fitted waists are the most frequently seen.  The design was originally called the "fishtail train" and the early versions, first seen in the 1870s, all featured the asymmetric extension at the back and it wasn’t until the turn of the century the flaring lowered from mid-thigh to the knee.  Prior to the Victorian era, trains were not unknown but they were then worn only as evening gowns and were really an addition to existing garments.

Promotional shot of the author for Fierce: The History of Leopard Print (2018) by Jo Weldon (b 1962), founder of the New York School of Burlesque.

Some in the industry refer to the “fishtail” as the “trumpet” or the more charming mermaid and there are those who insist on distinguishing between the three, based usually from the point at which the flare begins but the distinction escapes the many who use the terms interchangeably, regarding all as variations on a theme.  However described, the great advantage of the lines is that they create, on a suitable frame, an hourglass figure and one with a range of definition, all determined by the point at which the flare begins and the volume of material chosen for the fishtail; done properly it can render a feminine and flawless silhouette, perhaps the most persuasive reason it’s chosen by so many brides.  Some however are probably too easily persuaded, the fishtail really not suited to those either too short or too wide.  Successfully to wear a fishtail, it’s not necessary to be truly statuesque or actually thin but beneath a certain height, one starts to look like part of a condiment set; one must be realistic about what shapewear can achieve.  The recommendation is that the style can be worn by those of at least average height and it works best on those who are slim with small or medium size hips.  A good seamstress can adapt things to better suit other shapes but there’s a law of diminishing returns the more one is removed from the ideal; a deep but narrow cut can disguise only so much.

Fishtail braid in blonde.

The fishtail braid is a variation of the French braid, both with a smoothly woven appearance, the fishtail dividing the hair into two sections instead of the French three.  The technique essentially is that a small piece of each section is passed over to the other, the process repeated until the braid assumes its shape; in the nineteenth century this was known as the "Grecian braid".  The fishtail braid appears intricate because it's built with small strands but hairdressers say it's a simple, and essentially repetitive, nine-step process.  On great advantage of the fishtail is it lends itself well to a looser braid, one which over a couple of days will tend usually (and gradually) to deconstruct into a deliberately messy look, the attraction is technical as well as aesthetic: the messy fishtail is uniquely suited to act as a framework for hair extensions.

(1) Split the hair into two equal strands

(2) Pick up a small section of hair on the right side of the right strand

(3) Cross the small section over and add it to the left strand

(4) Pick up a small section of hair on the left side of the left strand

(5) Cross the small section over and add it to the right strand

(6) Pick up a small section of hair on the right side of the right strand

(7) Cross the small section over and add it to the left strand

(8) Pick up a small section of hair on the left side of the left strand

(9) Cross the small section over and add it to the right strand

(10) Repeat steps 2-9 until the end is reached.

Students and their mannequins, Pints & Ponytails, London, March 2026.  Presumably, there would be some inverse correlation between symmetry of braids and consumption of pints of beer.  As a quirk of English, while one doing the braiding is a braider, there is no companion word braidee for the one being braided; the same convention applies to plait.

Braiding and platting of hair has for some time been political because certain styles are claimed to have specific cultural or religious connections so anyone not of the background adopting those looks risk being accused of a gamut of offences ranging from microaggression to cultural appropriation.  Recently, the braid has also entered the “toxic masculinity” debate after self-proclaimed misogynist Andrew Tate (b 1986 and dubbed by some the “high priest of toxic masculinity”) disapprovingly shared a video from a “Pints and Ponytails” event in London.  The novel P&Ps are conducted to train men in the art of creating their daughters’ braids, plaits and pony-tails, something which to most probably doesn’t look challenging until they make an attempt and find out it’s something of an art, the tresses just one component in a process which extends also to the mysteries of pins, brushes, detangler spray, leave-in conditioner and hair-ties.

A recent victim of inexpert braiding: More practice required.

To hairdressers, braids and plaits are a “basic style” taught to entry-level apprentices, but even for those familiar with tasks such as stranding cables, early results are likely to be disappointing; to assure those concerned, no daughter was damaged by the neophyte stylists, the P&P sessions conducted using the same mannequins salons use in their training.  The courses have proved popular with men as might be expected of any event including pints of beer but the serious rationale was an attempt to improve bonding between fathers and daughters as well as increasing the participation of men in child-raising chores.  As the organizers expected, the sessions also provided a time and place in which men could discuss the problems and challenges of fatherhood, the unique environment of drinking beer while learning to plait tending to encourage conversation on topics probably not often raised in situations where men gather; in other words, the sort of discussions familiar to young mothers.  Cultural critic Andrew Tate cast aspersions on the masculinity of the men taking part although one might have thought he’d see benefits in women being relieved of responsibility for the daily pony tail(s), thereby leaving them more time for cooking & cleaning.

Knob

Knob (pronounced nob)

(1) A projecting part, usually rounded, forming the handle of a door, drawer window-frame or the like.

(2) A (usually) ball-shaped part of a handle, lever etc, designed to be grasped by the hand.

(3) In machinery, an almost always rounded control switch that can be rotated on it axis (ie to turn on/off, raise/lower volume etc), designed to be operated by the fingers and visually also emulated in software on screens.

(4) A rounded lump or protuberance on the surface or at the end of something, as a knot on a tree trunk or a fleshy lump or caruncle.

(5) A rounded ornament on the hilt of an edged weapon (the pommel).

(6) In architecture, furniture design etc, an ornamental boss, as of carved work.

(7) In geography, a rounded hill, mountain, a knoll, an elevation on a ridge or morainic ridge.

(8) In botany, a bulb of the garlic plant consisting of multiple cloves in a chunky branch,

(9) In certain military and other institutions, a new recruit.

(10) In hunting & animal husbandry (as knobber), a hart in its second year; a young male deer.

(11) In cooking, a dollop, an amount just larger than a spoonful (used usually in reference to butter and in professional catering there are “butter curlers” which produce an attractive ribbed-curl of butter to be served with the bread-rolls, each curl said to be the equivalent of a “half dollop”.

(12) In slang, the head, thus a person with red hair being a “gainer knob”.

(13) In vulgar slang the head (glans (spongiosum)) of the penis but sometimes used of the whole organ, thus the slang “knobhead” (an unintelligent or contemptible person) and a “literal” synonym of “dickhead”), sometimes used in the forms “knobber” & “knobber”.

(14) In vulgar slang (by extension), to have sexual intercourse with (someone).

(15) In vulgar slang (usually in the plural), a woman's breasts (sometimes with a modifier thought appropriate to the anatomy specifically being referenced).

(16) In vulgar slang, the clitoris.

(17) To produce a knob on (an object).

(18) To furnish with a knob, typically for a functional purpose (adding one to a door, window frame etc) but also as an ornament.

(19) To turn an object into a knob (rare).

(20) In stone cutting, to knock off (excess stone) preparatory to dressing; to knobble; to skiffle.

1350–1400: From the Middle English knobe & knobbe, thought almost certainly from a Scandinavian or German source and probably at least influenced by the Middle Low German knubbe & knobbe (knob; knot in wood; bud), the Middle Dutch knobbe & cnoppe, the Dutch knop (knob, button, bud), the Old Frisian knopp & knapp, the Old High German knopf (bud, pommel of a sword, knot, loop), the Middle High German knospe, the German Knopf (button, knob) & Knospe (bud), the Danish knap (button) & knop (knob, button, bud) and the Old Norse knyfill (short horn).  Most etymologists seem most convinced by it being a variant of the Proto-Germanic knappô (knob, lump) & knuppô (lump, clod), both among the “kn-” words related to knudaną (to knead).  Probably related were the Middle English knap & knappe (small projection, knob (in the sense of “button, tassel, tuft etc”), hill, hilltop etc)), from the Old English cnæp & cnæpp (summit, top), which may in some way be linked with the Old Norse knappr (small projection, knob (in the sense of “button, head of a stick etc”)) (and from which English gained knop), the source again the Proto-Germanic knappô.  The meaning “knoll, isolated round hill” seems first to have appeared in the 1640s and, perhaps surprisingly, no instance of “doorknob” has been found prior to 1829 although the word may have been long in oral use (drawer-knob, window-knob etc all followed).  Knob is a noun & verb, knobless is a noun, knobbed & knobbing are verbs, knoblike & knobby are adjectives; the noun plural is knobs.

Yorkeys Knob, Cairns, Queensland, Australia.

In idiomatic use, the phrase “same to you with knobs (sometimes “brass knobs”) means “the same to you but even more so” (used typically in response to an insult or slight).  A “knob-twiddler” can be an informal term for a technician or console operator whose job entails adjusting electronic devices via knobs but it can also describe anyone whose role seems either unimportant or not particularly demanding.  As machinery and later electronics became an increasingly ubiquitous part of life, so did knobs and as early as the late nineteenth century the humorous “knobologist” had been coined to describe both those designing the system and the “knob-twiddlers” using them; the discipline of design was of course dubbed “knobology” and that remains a core component of ergonomics, exploring imperatives such as placement, size, tactility and labelling, all of which influence the functionality of controls on an instrument as relevant to their application.  The knobologists deeply were implicated in convenient physical switches, knobs and buttons disappearing from cars and re-imagined virtualizations on inconvenient touch-screens.  Such has been the reaction (including the realization the change made driving more accident prone) that the tactile controls are making a welcome comeback.  The now archaic “knob-thatcher” was an affectionate term for a maker of wigs while the more modern “surfer's knob” was slang from the sport, describing a hard bump or nodule on a surfer's knee, shin or ankle, resulting from recurrent contact with their surfboard.  In engineering and metallurgy, “to knobble” was (1) to render a surface with a knobbly finish and (2) to produce wrought iron by treating semi-refined puddled iron on a hearth before shingling, a specialized device in the business being the ominous sounding “knobbling furnace”.

Gay men supporting lesbians at the first “Dyke March”, Washington DC, April 1993.  The sign held by the protester at the far left uses the compound word for which the euphemisms “knob polisher” & “knob-gobbler” were coined.

Because knob was popular slang for penis, a number of derived terms predictably emerged.  A “knob polisher” or “knob-gobbler” was “one who gives fellatio”.  “Knob rot” was a reference to certain sexually transmitted diseases contracted by men, the acute condition “galloping knob rot” describing a rapidly progressing or uncontrollable variant of the condition.  A “knob job” was the act of fellatio.  “Knob cheese” (the terms “cock cheese”, “dick cheese” and (in context) even “cheese”) was vulgar slang for smegma (a whitish sebaceous secretion that collects between the glans penis and foreskin or in the vulva).  “Knob jockey” must however be used with care because it has variously been applied to (1) gay men, (2) promiscuous straight women and (3) promiscuous straight men; context thus matters.

Interior of Porsche 917K with cool (in both senses of the word) balsa-wood shift knob.  The obviously "fake" passenger bucket seat was installed to comply with the rules in sports car racing.

To this day, the myth persists the balsa-wood gear-shift knob used in the Porsche 917 was there as a “weight-saving measure”.  While it’s true the small knob was light, the difference between it and the aluminum or magnesium units the company had fitted to earlier race cars would have been so insignificant it’s doubtful it would have equalled a gulp of coffee the driver may or may not have enjoyed.  The stylish timber piece was however not a decorative flourish but a legitimate engineering solution to ameliorate one manifestation of “chronic heat soak”.  In 1969, the 917 was a radical advance which, Dreadnought-like, rendered all other cars in its class instantly obsolescent but the flat-12 engine (Porsche’s first in the configuration) radiated so much heat it was difficult to manage.  In a tradition it would not for decades abandon, Porsche continued to use air-cooling for the engine (which really means “oil cooled” about as much) and it ran hot; between that heat source and the gear level was a unbroken metal path, each component a most efficient conductor.  During endurance racing (some events conducted over 24 hours), cockpit temperatures could reach what doctors would rate as “extreme”.  The metal lever was just one of the sources of this heat and the knob (which sat next to the driver’s knee) needed to be grasped by the driver, often many times a minute; were it to become so hot it caused pain, it would have been safety issue.  Although in 1969 the space-age was at its zenith, the materials which could have made a driver’s gloves close to heat-proof were not then commercially available so they gained much of their protective quality from thickness but the problem was they could be only so thick because a driver needed still to handle a highly-geared steering wheel and operate the many knobs and switches within arm’s reach.  Balsa-wood, with its very low thermal conductivity was ideal because while not exactly cool to the touch after a few hours on the track, it never got so hot it felt unpleasant.  It also had adequate strength for its task; a gear-lever knob does not bear structural loads and, being Porsche, it received the same careful attention as every other component, each one precisely machined to exact dimensions before receiving two coats of clear lacquer.  Most variants of the 917 used the Balsa-wood part although when (as the “Turbo-panzers”) the most powerful of the breed appeared in the Can-Am (for Group 7, unlimited displacement sports cars) a metal knob was fitted, made possible because Group 7 was for open cars and significantly that reduced cabin temperatures.  By the late 1970s when the space age had made available materials (phenolic plastics, composites etc) with superior insulation qualities, the need to resort to a balsa-wood knob vanished but the visual appeal remained and in the aftermarket, 917-style knobs remain widely available.

1959 Ford Fairlane Galaxie 500 Sunliner with suicide knob (on steering wheel at 10 o'clock).

“Suicide knob” was the most popular name for the device attached to a vehicle’s steering wheel which facilitated easier “single arm steering”.  The idea dated from the days before the almost universal fitting of power-steering and the things became popular in the US in the US in the 1950s and 1960s as even low-priced cars became heavier; for some drivers, they were invaluable when manoeuvring at low speed, especially when reversing.  They were known also as the “necker knob”, “wheel spinner” and “granny knob” but the most correct term was “Brodie Knob”, the name in honor of Steve Brodie (1861–1901), an apparently rather raffish gentleman from New York City who, as a last resort in 1886 after losing everything gambling, staged a stunt in which he jumped off the Brooklyn Bridge (site of a good many suicides), the lure a sum of money he was bet although the details of that are murky.  Mr Brodie anyway survived to collect on the wager and, on the basis of the notoriety gained, began performing other dare-devil acts for even more money.  So the jump from the Brooklyn Bridge was a good career move although the consensus now is it was a cunning stunt (ie a scam), a weighted dummy the real diver with Mr Brodie entering the water from the safety of the shoreline.  In fairness, at least some of his subsequent dangerous stunts were verified by observation and he parlayed his fame into a successful career in business, becoming a noted philanthropist and dying a rich man.

The invention of the suicide knob generally is credited to Joel Thorp of Wisconsin but similar devices had for centuries been in use on land and water.  What Mr Thorpe described in the supporting documents for what was issued as US Patent 2,101,519 STEERING WHEEL SPINNER KNOB (Dec 7, 1937) was an “improvement” of the concept:

“The present invention relates generally to improvements in appliances for facilitating manipulation of the steering wheels of vehicles, and relates more specifically to improvements in the construction and operation of spinner knob attachments co-operable with the peripheral rims of steering wheels or the like in order to effect more convenient and rapid operation of such wheels under certain conditions of use.  Generally defined, an object of my present invention is to provide an improved steering wheel spinner knob which is simple in construction and highly efficient in use.”

A young lady wrapping practiced fingers around the timber shift knob in 1970 Maserati Indy (Tipo 116, 1969-1975).  In the era, it was fashionable in Italian exotica for the knob and steering wheel rim to match (ie in leather or wood).

Although widely used on tractors, heavy transport vehicles and such, it was in the 1950s as cars in the US became heavier the suicide knobs gained popularity and some of that was due to reasons Mr Thorp probably never envisaged.  One receptive market was males aged 17-25 (a crew infamous for many reasons) who found the combination of suicide knob and bench seat made an idea ecosystem, enabling one hand to be used steer the vehicle while the "free" arm could wrap around the girlfriend (or alternative) who affectionately was resting her head on the driver’s shoulder.  In this arrangement, a driver’s attention more easily could be divided between her and the road.  It was also males aged 17-25 who were the core of the hot-rod community which began as a West Coast phenomenon (induced by a critical mass of the right demographic, available disposable income and a good supply of cheap, used cars which easily could be modified as desired) and they found suicide knobs the best way to “do a half donut” (a spin of one’s hot rod through 180^o), the trick being to grip the knob and then suddenly turn the wheel while applying full throttle, resulting in a loud, spectacular maneuver, made the more pleasing for the driver by him having “left his mark” in strips of runner on the road.  This, the hot rodders called “spinning a brodie”, a variant on the earlier “doing a Brodie” (a dangerous or otherwise inadvisable act) which entered the language after the nation-wide publicity which followed Mr Brodie’s alleged leap from the Brooklyn Bridge.  In the era, a Brodie Knob was as essential a piece of equipment as one’s packet of unfiltered Camel cigarettes or pair of fluffy dice hanging from the rear-view mirror.

1962 Maserati 3500 GTi.  Some Maserati 3500 GTs (Tipo 101, 1957-1964) had the unusual feature of having front and rear quarter-vents fitted to the same door; they were opened and closed using knurled, stainless steel knobs.

The dark appellation “suicide knob” was bestowed because (1) the devices came to be associated with accident-prone drivers (the “males aged 17-25” cohort prominent in the statistics) who probably did use the things to engage in “risk-taking” and (2) by virtue of their location (by default affixed to the upper quadrant) on the wheel, they were a genuine danger in accidents and, in an era of non-collapsible steering columns, tales of them penetrating the eye socket, causing irreparable loss of vision and traumatic brain injury, were legion.  The crusading US lawyer Ralph Nadar (b 1934) is criticized for much but the contribution his book Unsafe at Any Speed (1965) made to reducing the death toll on the roads cannot be under-estimated and the effect was world-wide because the rest the industry eventually followed the lead of the US legislation which came in the book’s wake.  In the US and elsewhere, change was of course resisted but it came and while it’s not possible to estimate how many deaths and often gruesome injuries the reforms prevented, no one denies it’s a big number.  The suicide knob was one minor casualty of the movement and in road-registered vehicles, in most jurisdictions (although some US states remain permissive), such devices are permitted only for specialized (often low-speed) vehicles and if used by drivers with some disability which precludes the use of conventional controls.

A Hurst Jaws of Life used between 1977-2012 by the fire department in Carlsbad, New Mexico, now on display at the National Museum of American History.

Another to make a life-saving contribution to reducing the road told was George Hurst (1927-1986; founder of his eponymous company) whose great legacy to humanity was the “Jaws of Life”, a hydraulic cutter he first developed in 1961 after being shocked at how long it sometimes took to extract the driver from the crumpled wreck of a race car.  The great advantage of the “Jaws of Life” was that it worked like a very powerful pair of scissors, avoiding the showers of sparks produced by mechanical saws, always a risk to use in areas where fuel is likely to have been spilled.  The basic design came to be used in hydraulic rescue devices worldwide and quite how many lives have been saved by virtue of its use isn’t known but again, it would be a big number.

Two decades of progress: Shifter for the two-speed Powerglide automatic transmission in 1953 Chevrolet Corvette (left) and a classic spherical shift knob in 1972 Chevrolet Corvette LT1.  The delicate-looking shifter in the 1953 Corvette seems modest but the location was a world-first for an automatic and was efficient because the location (between the driver’s seat and transmission tunnel) provided the shortest possible path to the linkage.  As late as 1964, Chrysler used a similar apparatus in the 1964 300K.

However, before the Jaws of Life, Hurst was already famous in the vibrant sub-culture which was at the times also known for its propensity to purchase and install suicide knobs.  Hurst produced “shifters” which were the assemblies connected to a transmission, used by the driver to “change gears” and they proved instantly popular which may seem strange given every manufacturer at the time included a shifter with every vehicle.  However, beginning in the late 1930s, the US manufacturers had begun moving from centrally located, floor-mounted levers to units on the steering column because it made for better packaging efficiency in the cabins, then optimized for bench-seats with three-astride seating.  That move achieved the goal but with the linkage between lever and gear-changing mechanism now longer and making more turns, some precision in the shifting was lost and column shifting (the once almost universal “three on the tree”) was less conducive to an enthusiastic driving style (such as that of the “suicide knob equipped” crowd).  It was in the 1950s the taste for floor-shifts like those in European sports cars began to gain critical mass and even though the 1953 Chevrolet Corvette was hardly a sports car in the tradition of MGs, Fiats and such, it’s notable Chevrolet from the start installed a floor shift for the (two-speed!) Powerglide automatic transmission; it may not have been a sports car with a “four-on-the-floor” but it had a floor-shift so there was that.  Automatic transmissions in mass-produced cars was then something of a novelty barely a decade old and the Corvette’s floor shift was apparently a world-first.

A butter curler producing curls.  Generally, the curlers come in large and small, respectively producing a curl notionally equivalent to a dollop or a knob (half-dollop).  In the kitchen however, knobs and dollops are what the chef decides they are.

Four-speed manual transmissions began to appear in Detroit-made cars in the late 1950s and within half a decade George Hurst’s shifters were close to obligatory for any racer (authorized or not) seeking “street cred” and it wasn’t a confected image, the Hurst shifters demonstratively superior without being excessively expensive.  So stellar did their reputation become even GM (General Motors) relaxed their long-standing ban on other brand-names being associated with their products and made a feature of one being standard equipment of the 1964 Pontiac GTO, the car credited with being “the first muscle car” and such was the success in 1965 the shifter’s handle was even permitted to be embossed: HURST.  Soon, other manufacturers actively were seeking co-productions.  George Hurst’s path to market domination was shockingly simple and might have come from a textbook: (1) a perfected design, (2) skilful engineering in development, (3) high quality in production and (4) an attractive price, a combination of elements with great appeal for buyers and manufacturers alike.

Hurst’s dual-gate automatic transmission “His and Hers” shifter with conventional apparatus “for the automatic minded little lady” and a performance-oriented configuration offering manual control for the “man who really wanted a 4-speed standard stick but bought this extra just for her.”  Note the unfamiliar shift pattern, the now universal PRNDL not an industry standard until 1965, the year before it was demanded by regulations.  From the early days of automatic transmissions in the 1940s, reverse had been directly adjacent to Low, allowing drivers more easily to emulate what was done with manual transmissions when a “rocking” was being induced to try to free a vehicle from mud or snow.  It was a quirk of the age and, because reliability was not then what decades later came to be expected, the early transmissions included a second (rear) fluid pump to permit push/tow/hill starts.  Probably, not many much dwelt on the shape of the knob Hurst put atop the His and Hers” shifter but in geometry it would be described as an oblate spheroid with two parallel planar truncations.  Now easily modelled in software rendered with a 3D printer, perfecting a shape like this for production used to absorb much time on the drawing board and in the creation of prototypes.  A spheroid is an ellipsoid generated by rotating an ellipse about one of its principal axes which, if “stretched” along one axis becomes a prolate spheroid (ie elongated and something like a rugby ball).  If slightly flattened along the axis of rotation, it’s an oblate spheroid (like planet Earth which isn’t quite a pure sphere) but the His & Hers knob, having a slight elongation along the shifter’s axis, is closest to a prolate spheroid.  The planar-truncation (ie sliced by two parallel planes) created the (left & right) flat faces and the knob can thus be described as a “truncated ellipsoid” or “truncated prolate spheroid” but anyone wishing to out-nerd the rest would probably coin something like “biaxial ellipsoid with parallel planar truncations”.

It was early in the era of second-wave feminism (1960s-1980s) that George Hurst made his brief foray into marriage guidance counselling.  First-wave feminism (1895-1950s) is sometimes called the “de jure” or “structural” period because the focus was on legal issues such as women's suffrage, property rights and political candidacy but, in the West, an early victory was overcoming any opposition to women being granted driver’s licences.  Attitudes however evolved not wholly in parallel with legal rights and even today, among some, the view persists it’s men who are focused on performance and speed while women value vehicles using other criteria.  Impressionistically, that stereotype is not wholly without foundation but, since second wave feminism reset the rules, it’s no longer possible to run advertising perpetuating the notion.  The “His and Hers” shifter worked with a key-lock which enabled the husband to ensure only he could use the “manual override” feature and the idea in recent decades has been revived although this time the target of the lockout includes one’s (presumably male) children and any concierge or attendant who might be entrusted with parking one’s car.

Advertisement for Hurst's "custom knobs" (left) and the famous Hurst "pistol grip shifter" in 1970 Plymouth 'Cuda 440+6 (ie 3 x 2bbl carburetors) (right).

The magic of Hurst’s shifters was in the mechanism but, just as for computer users the mouse and keyboard assume great importance because it’s by touching these relatively simple pieces of hardware that use can be made of the machine’s more sophisticated internals, it was the shifter’s knob which was a driver’s most intimate connection with the transmission.  Although in the art deco era there had been some lovely detailing, it wasn’t until the 1960s most conceptually moved beyond beyond “variations on a theme of sphere” and Hurst was among the manufacturers to explore shapes and substances.  There were “T-Handles” (which, usually as "T-Bars", were for decades popular around the world for automatics) and “Horseshoes” which attracted admiring glances but didn’t catch on and any number of novelty items including billiard balls (the “8 ball” predictably a favourite of the V8 crowd) and scale models of this and that including human body parts such as the skull and mammary gland.  Knobs could be of plastic, wood or various metals and came in designer colors, velvet coatings a nice touch of the 1960s.  The most fetishized of the muscle car era however was Hurst’s “Pistol Grip Shifter” which did what it said on the tin: it gave the user the feeling of holding a handgun.  In the 1960s, gun culture in the US hadn’t yet become what it is today (as now defined, the first “mass-shooting” didn’t happen until 1966) but it was still a place with a lot of firearms.  However, despite the potential implications, when in 1970 Chrysler made one standard equipment on the 1970 Plymouth ‘Cuda, one brochure made mention of the device only with the bland: “...a convenient pistol grip”.  For a corporation which called the Cuda’s hood scoop the I.Q.E.C.A.G. (Incredible Quivering Exposed Cold Air Grabber), it seemed a missed opportunity though it didn’t have much linguistic luck with I.Q.E.C.A.G., customers and everybody else deciding it was a “shaker”.

Ginger knob Lindsay Lohan in The Parent Trap, approaching 23 Egerton Terrace (tagged 7 for the film), Knightsbridge, SW3, London (the front door with a knob, left) and standing next to a door with a handle (right), from a photo-shoot by Rebecca Lader.

Architecturally, the choice between specifying door levers or door knobs is often one of mere preference or aesthetic conformity but for public or commercial buildings, some regulatory authorities now mandate the use of levers because typically they are easier to use for those with disabilities (especially if hand-mobility is limited) as they demand less dexterity.  Additionally, being circular and often highly polished, knobs can be hard to use with wet hands so that’s a consideration in kitchens, bathrooms and such; nor do young children find them as convenient as a handle.  So, all that would seem to make a compelling case for the handle but for domestic use, there’s one quirky consideration some may wish to include when making the choice.  While there are verified cases of cats and dogs learning to open doors using a handle, no pet has yet been observed mastering the turning of a door knob; while a rare problem, the chance of one’s cat or dog opening door using a lever is not zero and, because houses tend to use the same style of lever throughout, once they have learned to open one door, they’ve really learned to open all.  If it’s a concern, the good news is most doors are adaptable for either so replacing a lever with a knob does not usually require the door being replaced.