Jiggle bones

The Hustler's Hallmark's jiggle bones, mostly on the feather, identified by XYZ axis markers

“

Dis ol' fossil ain't gonna move himself, guys!

Click to listen

— The Scout animating jigglies on an item

”

Jiggle bones, also known as jigglebones and colloquially as jigglies, are a feature of the Source Engine that allow a skeleton (also known as a rig or bonetree) of a model to bounce, wiggle, rotate or otherwise move with the object it is attached to. The effect is calculated and rendered in real time, giving a clearer depiction of the way the part would hypothetically move in real life (although some effects are intended artistically, not realistically).

Jiggle bones are used frequently on many items and objects in Team Fortress 2 to add to their appearance in some way; the effect is purely cosmetic with no consequence for gameplay.

Items that use Jiggle bones

Note: This list is incomplete and does not display all jiggle bones of all applicable items.

v • d • e List of items that have Jiggle bones
Class	Slot		Item	Notes
Scout	Weapons	Secondary		The liquid.
		Secondary	Mad Milk	The liquid.
		Melee		The fish.
			Holy Mackerel	The fish.
				The hand.
			Unarmed Combat	The hand.
				The wrapping paper.
			Wrap Assassin	The wrapping paper.
	Cosmetics			The tip of the hat.
			Big Elfin Deal	The tip of the hat.
				The tail.
			Biomech Backpack	The tail.
				The bird.
			Catcher's Companion	The bird.
				The head and tail.
			Chucklenuts	The head and tail.
				The end of the scarf.
			Courtier's Collar	The end of the scarf.
				The loose money.
			Dillinger's Duffel	The loose money.
				The combs.
			Fowl Fists	The combs.
				The end of the headband.
			Frickin' Sweet Ninja Hood	The end of the headband.
				The quiff.
			Greased Lightning	The quiff.
				The visor and tail of the helmet.
			Herald's Helm	The visor and tail of the helmet.
				The ponytail.
			Hero's Tail	The ponytail.
				The ears.
			Horrific Head of Hare	The ears.
				The loose letters.
			Messenger's Mail Bag	The loose letters.
				The tip of the hat.
			Mountebank's Masque	The tip of the hat.
				The combs and the eyes.
			Nugget Noggin	The combs and the eyes.
				The wings.
			Olympic Leapers	The wings.
				The doll.
			Pocket Pauling	The doll.
				The pom-pom.
			Runner's Warm-Up	The pom-pom.
				The board.
			Snowwing	The board.
				The end of the belt.
			Southie Shinobi	The end of the belt.
				The ends of the tentacles.
			Sprinting Cephalopod	The ends of the tentacles.
				The strands of hair at the front.
			Thirst Blood	The strands of hair at the front.
				The camera, the bag's zipper, and the towel.
			Tools of the Tourist	The camera, the bag's zipper, and the towel.
				The loose bandages.
			Wrap Battler	The loose bandages.
Soldier	Weapons	Primary		The flap on the back.
			Black Box	The flap on the back.
				The flap on the back.
			Festive Black Box	The flap on the back.
		Secondary		The flag.
		Secondary	Buff Banner	The flag.
		Melee		The leather loop.
		Melee	Disciplinary Action	The leather loop.
	Cosmetics			The Soldier figurine.
			Bazaar Bauble	The Soldier figurine.
				The visor.
			Breach and Bomb	The visor.
				The end of the cape.
			Caped Crusader	The end of the cape.
				The handles.
			Calamitous Cauldron	The handles.
				The tassels.
			Cold Snap Coat	The tassels.
				The eagle.
			Compatriot	The eagle.
				The flower.
			Crack Pot	The flower.
				The ends of the maggots.
			Grub Grenades	The ends of the maggots.
				The cardboard flaps and coat hanger.
			Idiot Box	The cardboard flaps and coat hanger.
				The tassels.
			Kringle Collection	The tassels.
				The maggot.
			Larval Lid	The maggot.
				The raccoon.
			Lieutenant Bites	The raccoon.
				The raccoon.
			Lieutenant Bites the Dust	The raccoon.
				The rocket artillery launchers.
			Peacebreaker	The rocket artillery launchers.
				The bird.
			Private Maggot Muncher	The bird.
				The tips of the ears and whiskers.
			Racc Mann	The tips of the ears and whiskers.
				The raccoon.
			Semi-Tame Trapper's Hat	The raccoon.
				The cardboard flap.
			Shoestring Budget	The cardboard flap.
				The feather.
			Slo-Poke	The feather.
				The turret and figurine.
			Tank Top	The turret and figurine.
				The straps.
			War Pig	The straps.
				The loose skin.
			Zipperface	The loose skin.
Pyro	Weapons	Secondary		The liquid.
	Weapons	Secondary	Manmelter	The liquid.
	Cosmetics			The filter cartridge and tube.
			Air Raider	The filter cartridge and tube.
				The fangs.
			Arachno-Arsonist	The fangs.
				The entire head.
			Area 451	The entire head.
				The barbeque lid.
			Backpack Broiler	The barbeque lid.
				The cage door and perch.
			Birdcage	The cage door and perch.
				The tip of the beanie.
			Burning Beanie	The tip of the beanie.
				The candies.
			Candy Cranium	The candies.
				The bird.
			Carrion Companion	The bird.
				The tail.
			Cauterizer's Caudal Appendage	The tail.
				The entire hat.
			Connoisseur's Cap	The entire hat.
				The fin and tail.
			Cranial Carcharodon	The fin and tail.
				Each side of the face.
			Creature's Grin	Each side of the face.
				The dolls.
			Cremator's Conscience	The dolls.
				The curly ends of the hair.
			Crispy Golden Locks	The curly ends of the hair.
				The sash and feathers.
			Deity's Dress	The sash and feathers.
				The wings.
			Fallen Angel	The wings.
				The feathers.
			Feathered Fiend	The feathers.
				The phoenix.
			Fiery Phoenix	The phoenix.
				The hose.
			Fireman's Essentials	The hose.
				The skulls.
			Flamboyant Flamenco	The skulls.
				The present.
			Flammable Favor	The present.
				The basket in the oil.
			Frymaster	The basket in the oil.
				The hanging goo and bubbles.
			Glob	The hanging goo and bubbles.
				The pupils.
			Googol Glass Eyes	The pupils.
				The contents of the pot.
			Grisly Gumbo	The contents of the pot.
				The guillotine blade.
			Handhunter	The guillotine blade.
				The wooden handle.
			Handyman's Handle	The wooden handle.
				The pom-pom.
			Head Warmer	The pom-pom.
				The bells.
			Jingle Belt	The bells.
				The ends of the chains.
			Maniac's Manacles	The ends of the chains.
				The stalk.
			Mr. Juice	The stalk.
			The eye.
Nabler			The eye.
	The pom-pom.
Napper's Respite	The pom-pom.
	The seaweed.
Neptune's Nightmare	The seaweed.
	The brain.
Plutonidome	The brain.
	The doll's head and arms.
Pocket Pardner	The doll's head and arms.
	The eyes and the springs.
Pop-Eyes	The eyes and the springs.
	The Gunslinger's fingers.
Respectless Robo-Glove	The Gunslinger's fingers.
	The glove's fingers.
Respectless Rubber Glove	The glove's fingers.
	The laser gun.
Russian Rocketeer	The laser gun.
	The brim and tip.
Seared Sorcerer	The brim and tip.
	The end of the belt and the fan.
Sengoku Scorcher	The end of the belt and the fan.
	The pupils.
Sight for Sore Eyes	The pupils.
	The lower jaw.
Spectralnaut	The lower jaw.
	The fish.
Sole Mate	The fish.
	The entire boot.
Stately Steel Toe	The entire boot.
	The tie.
Stockbroker's Scarf	The tie.
	The tail.
Tail from the Crypt	The tail.
	The entire creature.
Triboniophorus Tyrannus	The entire creature.
	The eye stalks.
Up Pyroscopes	The eye stalks.
	The flame.
Waxy Wayfinder	The flame.
	The pom-pom.
Wartime Warmth	The pom-pom.
Demoman	Cosmetics			The lamp.
			Aladdin's Private Reserve	The lamp.
				The rim of the hat.
			Allbrero	The rim of the hat.
				The plume.
			Backbreaker's Skullcracker	The plume.
				The bird.
			Bird-Man of Aberdeen	The bird.
				The metal feathers.
			Bolted Bicorne	The metal feathers.
				The "fuse".
			Bomber Knight	The "fuse".
				The spring.
			Broadband Bonnet	The spring.
				The feathers.
			Buccaneer's Bicorne	The feathers.
				The tail of the hood.
			Conjurer's Cowl	The tail of the hood.
				The back of the poncho.
			Demo's Dustcatcher	The back of the poncho.
				The tassels.
			Double Dog Dare Demo Pants	The tassels.
				The stickybomb.
			Elf Esteem	The stickybomb.
				The spring.
			FR-0	The spring.
				The end of the scarf.
			Gaelic Garb	The end of the scarf.
				The golf clubs.
			Gaelic Golf Bag	The golf clubs.
				The loose material at the front and back.
			Headtaker's Hood	The loose material at the front and back.
				The back of the cape.
			Horsemann's Hand-Me-Down	The back of the cape.
				The feather.
			Hustler's Hallmark	The feather.
				The back of the cape.
			King of Scotland Cape	The back of the cape.
				The chest itself and its lock.
			Liquor Locker	The chest itself and its lock.
				The locks.
			Mask of the Shaman	The locks.
				The bagpipes.
			Melody of Misery	The bagpipes.
				The eye.
			Parasight	The eye.
				The earrings and the end of the bandana.
			Pirate Bandana	The earrings and the end of the bandana.
				The straps.
			Sober Stuntman	The straps.
				The top of the hat.
			Spirit of the Bombing Past	The top of the hat.
				The feather.
			Tartan Tyrolean	The feather.
Heavy	Weapons	Secondary		The banana peel.
	Weapons	Secondary	Second Banana	The banana peel.
	Cosmetics			The top of the head.
			Can Opener	The top of the head.
				The straps.
			Commando Elite	The straps.
				The ornament.
			Cool Capuchon	The ornament.
				The quiff.
			Coupe D'isaster	The quiff.
				The entire tutu.
			Grand Duchess Tutu	The entire tutu.
				The quiff.
			Gym Rat	The quiff.
				The bottom half of the Sandvich and the end of the tongue.
			Ivan the Inedible	The bottom half of the Sandvich and the end of the tongue.
				The ponytail and earrings.
			Mediterranean Mercenary	The ponytail and earrings.
				The nose ring.
			Minsk Beef	The nose ring.
				The hair.
			Mo'Horn	The hair.
				The chicken's body.
			Momma Kiev	The chicken's body.
				The straps.
			Pugilist's Protector	The straps.
				The hanging Sandvich.
			Sammy Cap	The hanging Sandvich.
				The pom-pom.
			Siberian Facehugger	The pom-pom.
				The sandvich stack.
			Snack Stack	The sandvich stack.
				The eye and antennae.
			Sucker Slug	The eye and antennae.
				The tassel.
			Tsarboosh	The tassel.
				The flaps.
			Tungsten Toque	The flaps.
				The gloves and springs.
			Two Punch Mann	The gloves and springs.
Engineer	Cosmetics			The wind up key.
			Aim Assistant	The wind up key.
				The straps.
			Barnstormer	The straps.
				The feelers and mouth.
			Buzz Killer	The feelers and mouth.
				The whip and idol.
			Conaghers' Utility Idol	The whip and idol.
				The orange tubing.
			Cold Case	The orange tubing.
				The floating polygons.
			Defragmenting Hard Hat 17%	The floating polygons.
				The rum.
			El Caballero	The rum.
				The moustache.
			El Mostacho	The moustache.
				The wings.
			Frontier Flyboy	The wings.
				The tentacles.
			Ghoul Box	The tentacles.
				The ears.
			Goblineer	The ears.
				The eye.
			Googly Gazer	The eye.
				The Mini-Sentry.
			Head of Defense	The Mini-Sentry.
				The toes.
			Legend of Bugfoot	The toes.
				The toy.
			Mini-Engy	The toy.
				The doll.
			Mister Bubbles	The doll.
				The pug's head and hind legs.
			Puggyback	The pug's head and hind legs.
				The tail.
			Sledder's Sidekick	The tail.
				The ghost.
			Soul of 'Spensers Past	The ghost.
				The bear's head.
			Teddy Robobelt	The bear's head.
				The bear's head and arms.
			Teddy Roosebelt	The bear's head and arms.
				The teleporter.
			Telefragger Toque	The teleporter.
				The toast and slider.
			Texas Toast	The toast and slider.
				The sides of the Engineer's head.
			Tiny Texan	The sides of the Engineer's head.
				The bag.
			Trash Toter	The bag.
Medic	Weapons	Melee		The liquid.
	Weapons	Melee	Vita-Saw	The liquid.
	Cosmetics			The bird.
			Archimedes	The bird.
				The bird.
			Archimedes the Undying	The bird.
				The entire ice-pack.
			Doctor's Sack	The entire ice-pack.
				The flaps.
			Dr. Gogglestache	The flaps.
				The hair.
			Einstein	The hair.
				The neon liquid and antennae.
			Emerald Jarate	The neon liquid and antennae.
				The bird.
			Mecha-Medes	The bird.
				The pipe.
			Nine-Pipe Problem	The pipe.
				The tubing.
			Quadwrangler	The tubing.
				The hanging material.
			Ramses' Regalia	The hanging material.
				The bird.
			Santarchimedes	The bird.
				The clipboard attached to the satchel.
			Surgeon's Side Satchel	The clipboard attached to the satchel.
				The tube.
			Surgeon's Stethoscope	The tube.
				The lightning bolts.
			Weather Master	The lightning bolts.
				The wings.
			Wings of Purity	The wings.
Sniper	Weapons	Secondary		The pot and Jarate.
			Cozy Camper	The pot and Jarate.
				The crocodile's tail.
			Darwin's Danger Shield	The crocodile's tail.
	Cosmetics			The fish.
			Bait and Bite	The fish.
				The feather.
			Classy Capper	The feather.
				The head.
			Cobber Chameleon	The head.
				The teeth.
			Crocodile Smile	The teeth.
				The coat.
			Down Under Duster	The coat.
				The "head" and the tongue.
			Elizabeth the Third	The "head" and the tongue.
				The string.
			Falconer	The string.
				The garlic.
			Garlic Flank Stake	The garlic.
				The tail, fins, and hanging lure.
			Glow from Below	The tail, fins, and hanging lure.
				The bellows.
			Letch's LED	The bellows.
				The head.
			Li'l Snaggletooth	The head.
				The ears.
			Marsupial Man	The ears.
				The head and tail.
			Mr. Mundee's Wild Ride	The head and tail.
				The corks.
			Swagman's Swatter	The corks.
				The plume.
			Toy Soldier	The plume.
Spy	Cosmetics			The bird.
			Aristotle	The bird.
				The pigeon's head.
			Bird's Eye Viewer	The pigeon's head.
				The entire head and lower jaw.
			Backstabber's Boomslang	The entire head and lower jaw.
				The "eyes" and "claws".
			Brain-Warming Wear	The "eyes" and "claws".
				The end of the cape.
			Foul Cowl	The end of the cape.
				The pom-pom.
			Pom-Pommed Provocateur	The pom-pom.
				The rabbit ears and the top of the hat.
			Rogue's Rabbit	The rabbit ears and the top of the hat.
				The feather and earrings.
			Shadowman's Shade	The feather and earrings.
Multiple classes	Weapons	Melee		The entire head and lower jaw.
			Bat Outta Hell	The entire head and lower jaw.
				The meat.
			Ham Shank	The meat.
				The lever.
			Memory Maker	The lever.
				The robotic arm.
			Necro Smasher	The robotic arm.
	Cosmetics			The flame.
			Candleer	The flame.
				The top of the hair.
			Crafty Hair	The top of the hair.
				The hanging ends of the bandana.
			Deep Cover Operator	The hanging ends of the bandana.
				The bells.
			Pestering Jester	The bells.
				The robot's chainsaw and fuel tank.
			Scrap Pack	The robot's chainsaw and fuel tank.
				The doll.
			Trick Stabber	The doll.
All classes	Weapons	N/A		The head.
			Botkiller weapons	The head.
				The decorations.
			Festive weapons	The decorations.
	Cosmetics			The tree.
			A Rather Festive Tree	The tree.
				The skull and lower jaw.
			Accursed Apparition	The skull and lower jaw.
				The tail.
			Alien Swarm Parasite	The tail.
				The brim and the spider.
			All Hallows' Hatte	The brim and the spider.
				The gramophone's needle.
			Audio File	The gramophone's needle.
				The tip of the hat and the pom-pom.
			B.M.O.C.	The tip of the hat and the pom-pom.
				The body.
			Balloonicorn	The body.
				The arm and lantern.
			Beacon from Beyond	The arm and lantern.
				The eyeballs.
			BINOCULUS!	The eyeballs.
				The balloon and string.
			Boo Balloon	The balloon and string.
				The upper jaw.
			Bread Heads	The upper jaw.
				The antennae.
			Bumble Beenie	The antennae.
				The cube.
			Companion Cube Pin	The cube.
				The entire antenna.
			Conspiracy Cap	The entire antenna.
				The tip of the hat.
			Crone's Dome	The tip of the hat.
				The back of the head.
			Dadliest Catch	The back of the head.
				The plume on the back.
			Dark Falkirk Helm	The plume on the back.
				The ghost.
			Dead Little Buddy	The ghost.
				The cords.
			Earbuds	The cords.
				The eyes.
			Eye-See-You	The eyes.
				The Pyro doll.
			Florida LAN 2014	The Pyro doll.
				The bug.
			Finder's Fee	The bug.
				The feathers.
			Fleet Commander	The feathers.
				The pick.
			Fortune Hunter	The pick.
				The legs.
			Friends Forever Companion Square Badge	The legs.
				The pressure gauge and steam pipes.
			Full Head of Steam	The pressure gauge and steam pipes.
				The ghost.
			Ghostly Gibus	The ghost.
				The whole arm.
			Ghost of Spies Checked Past	The whole arm.
				The particles inside the globe.
			Globetrotter	The particles inside the globe.
				The chess board.
			Grandmaster	The chess board.
			The body and cape.
Grim Tweeter			The body and cape.
			The bat.
Guano			The bat.
	The ears.
Head Prize	The ears.
	The ghost.
Hooded Haunter	The ghost.
	The body of the octopus.
Hat of Undeniable Wealth And Respect	The body of the octopus.
	The ears.
Impish Ears	The ears.
	The tip of the hat.
Kiss King	The tip of the hat.
	Ends of the red bandage.
Legendary Lid	Ends of the red bandage.
	The ear flaps.
Lil' Bitey	The ear flaps.
	The whole boat.
Li'l Dutchman	The whole boat.
	The ears.
Max's Severed Head	The ears.
	The tassels.
Merc's Pride Scarf	The tassels.
	The hair.
Merc's Mohawk	The hair.
	The eyeball and skin flaps.
MONOCULUS!	The eyeball and skin flaps.
	The end of the scarf.
Neckwear Headwear	The end of the scarf.
	The penguin.
Pebbles the Penguin	The penguin.
	The straps.
Pithy Professional	The straps.
	The dolls.
Pocket Raiders	The dolls.
	The dolls.
Pocket Villains	The dolls.
	The Yeti.
Pocket Yeti	The Yeti.
	The head.
Polar Pal	The head.
	The hanging end of the antenna.
Public Accessor	The hanging end of the antenna.
	The head, body and tail.
Quizzical Quetzal	The head, body and tail.
	The bird.
Quoth	The bird.
	The comb.
Robot Chicken Hat	The comb.
	The body.
Reindoonicorn	The body.
	The cube.
Resurrection Associate Pin	The cube.
	The body.
RoBro 3000	The body.
	The lantern.
Rump-o'-Lantern	The lantern.
	The body.
Sackcloth Spook	The body.
	The clapper.
Saxxy Clapper Badge	The clapper.
	The eyeball.
Skull Island Topper	The eyeball.
	The snake's head.
Slithering Scarf	The snake's head.
	The tip of the hat.
Smissmas Saxton	The tip of the hat.
	The head and body.
Space Hamster Hammy	The head and body.
	The plume on the back.
Spiral Sallet	The plume on the back.
	The yellow wire.
TF2VRH	The yellow wire.
	The chest's lid.
Treasure Hat	The chest's lid.
	The entire creature.
Triboniophorus Gentlemannus	The entire creature.
	The eye, tentacles, and spacecraft.
Unidentified Following Object	The eye, tentacles, and spacecraft.
	The body and arms.
Unknown Monkeynaut	The body and arms.
NPCs	N/A			The Horsemann's cape.
			Horseless Headless Horsemann	The Horsemann's cape.
				His cloak, the fish heads, the bag and the eyeball in his hat.
			Merasmus
				The eye stalk and flaps of skin at the back.
			MONOCULUS	The eye stalk and flaps of skin at the back.

Demonstration

Bugs

A distorted Holy Mackerel

Almost all models with jiggle bones are prone to twist and distort themselves in impossible ways during certain parts of the game, such as when a class is running or taunting (or even for no discernible reason).
- There can also be issues with the jiggle bones appearing to be stuck at their furthest position during movement, seeming to vibrate.
- Jiggle bones may sometimes be inverted entirely, as with the Second Banana.
When weapons with jiggle bones are equipped on the left hand (as enabled in Advanced options), they do not animate properly and skip frames while jiggling.

Notes

Jiggle bones will be automatically frozen below a given frame rate (20 FPS by default), set by cl_jiggle_bone_framerate_cutoff.
- Setting the value to an absurdly high number (like 1000) can functionally disable the jiggle bones, for a potential very marginal gameplay FPS boost on some very low-end systems.

External links

Jiggle bones on the Valve Developer Community — technical explanation of $jigglebone.

Jiggle bones

Contents

Items that use Jiggle bones

Demonstration

Bugs

Notes

External links

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