What is this small iron object? The iron has vertical lines all around, when found it had sharp tips and overall it is pretty brittle. It's about the size of a table

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Found on the beach in northeast US ceramic in feeling and all 7 holes on either side that seem to align. About 1 inch in length. : r/whatisthisthing

Heavy metal object, two spiked ends, U-shaped with cross bar, quite heavy : r/whatisthisthing

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Small thing looking like a zipper puller. Roughly rectangular metallic object with intricate irregular holes, grooved edge (grooves are irregular - look handmade). There is something resembling a broken hinge on one

Looks like a foot pedal of some type, had a single wire that went out the big hole, the wire was two cloth covered multi-strands wires, that was then covered by another

Looks like a foot pedal of some type, had a single wire that went

How to: shear test? Feel free to use this shear guide!

Glass rod, bent into an L - found on a beach : r/whatisthisthing

Wooden bench with a hole in the middle. The bolts go all the way through the legs and it is very heavy. Found in the basement of an old farm house

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Copper (I believe) object found on the bank of a river. 5.5 inches in length. Appears to have a screw to adjust flow rate, but it is seized so can't confirm. Various tubes and nipples emerging from the object. : r/whatisthisthing