19 Mystery Objects That Left the Internet Completely Stumped

Some objects refuse to explain themselves. Pulled from garages, attics, barns and crawl spaces, each of these strange artifacts left its finder completely stumped — until someone online finally cracked the case. Scroll through, take your best guess, then see if you were right.

MYSTERY 01Solved ✓

“Found this while cleaning out my grandad’s garage — some sort of mechanism with moving metal parts inside.”

Mystery mechanism with moving metal parts
Identified

It’s music-on-hold for a home telephone. The phone was placed on top of it to keep the caller entertained if they had to be put on hold during a conversation.

MYSTERY 02Solved ✓

“Strange device found among things left behind by a tenant. The plastic lid screws onto the rubber sack and contains… balls.”

Rubber sack device filled with metal balls
Identified

It’s an analog of an ordinary slingshot. You shoot metal balls with it — put a ball into the rubber sack and pull it back.

MYSTERY 03Solved ✓

“Found this in a cupboard at an old farm and have no clue what it is.”

Vintage device found in a farm cupboard
Identified

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It’s an old device for making mayonnaise.

MYSTERY 04Solved ✓

“Some kind of metal cage with a clamping action when you pull the handle.”

Metal cage tool with clamping handle
Identified

It’s a foot-operated potato planter.

MYSTERY 05Solved ✓

“Received as a gift from my father-in-law, but I have no idea what it is used for.”

Unusual metal gift object
Identified

“I’m curious about the context of this gift — historically it was used to keep a patient’s mouth open during surgery to prevent suffocation.”

MYSTERY 06Solved ✓

“Found it on the street — it’s filled with little metal balls.”

Heavy object filled with metal balls
Identified

It’s a counterweight for an old adjustable-height chandelier or ceiling lamp.

MYSTERY 07Solved ✓

“Suddenly found it in my house one day. It’s metal and relatively flexible, but it feels like it would break at some point.”

Flexible thin metal strip
Identified

It’s “boning” from a corset.

MYSTERY 08Solved ✓

“The part above the handle rotates…”

Wooden tool with a rotating part
Identified

It’s a kite spindle — likely a reproduction of the ones used from the mid-1800s to the early 1900s.

MYSTERY 09Solved ✓

“They’re about 2 feet tall, holes go through to the base, and they’re made of clay, I think.”

Tall clay objects with holes
Identified

They look like chimney pots — probably removed when demolishing a house or upgrading a fireplace. If they’re attached to something underground, they may sit on top of a vent.

MYSTERY 10Solved ✓

“What is this oval metal tool? Found it in a box of sewing and craft supplies.”

Oval metal tool from a sewing box
Identified

It’s a handle for carrying books. Two straps would pass through the holes on each end and wrap around the stack of books.

MYSTERY 11Solved ✓

“Found this in the crawl space of a home. No engraving to hint at what it is, what it’s for, or how old it might be.”

Mystery appliance from a crawl space
Identified

It’s a gas heater from around the 1930s–50s. You’re seeing the side (the gas valve) and the back (the covered flue opening).

MYSTERY 12Solved ✓

“What is this wooden and metal vintage thing?”

Vintage wooden and metal tool
Identified

It’s a snooker cue tipper. The cue goes into the open end to straighten and shape the tip, and the file slots in horizontally to square it off — basically a pencil sharpener for a snooker cue.

MYSTERY 13Solved ✓

“What’s this clip thing? I’ve found it on a lot of the vintage jewelry I bought online.”

Vintage jewelry clip
Identified

It’s a dress clip. Often worn in pairs and clipped around the neckline of a dress, blouse or coat — designed not to leave a hole in the fabric the way a brooch would.

MYSTERY 14Solved ✓

“What is the use of this fourth piece of cutlery I saw in a German museum?”

Unusual fourth piece of cutlery
Identified

It’s a baby food pusher, quite common in the 1800s through the early 1900s.

MYSTERY 15Solved ✓

“Found this room in an abandoned building. What was it for, and what are these things hanging from the ceiling?”

Abandoned room with baskets hanging from the ceiling
Identified

It’s a miners’ changing room. The hooks and baskets lift work clothes up and out of the way for the next shift.

MYSTERY 16Solved ✓

“It had a partial label on it and a picture of a ski jumper. Any clue?”

Vintage tool with a ski jumper label
Identified

It’s a vintage ski wax iron.

MYSTERY 17Solved ✓

“Found in an old barn — the lid holds a mirror inside, the bag is burlap within and a different material outside, blue inside and with no smell.”

Small vintage bag with a mirror in the lid
Identified

It’s a lady’s reticule — a tiny handbag popular in the 19th and early 20th century.

MYSTERY 18Solved ✓

“Found it in the attic of a house I recently bought. It’s about 11.5″ × 5″, and the little flappy arms fold completely down, forward or backward.”

Folding device found in an attic
Identified

It’s a folding tie rack.

MYSTERY 19Solved ✓

“Round, steel, with a rotating ball on a tripod and multiple lens or light holes. Bought at auction in 1988 — even the seller didn’t know what it was.”

Steel rotating ball on a tripod with lens holes
Identified

It’s an operating room light with some pieces missing.

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