I believe it is a wall mounted broom holder.

Seqret Cat XL

Craig Clayton

I believe it also might be a cast iron cam clamp used by the barrel making industry a cooper who makes wooden barrel staves.

Seqret Cat Xl

Craig Clayton

I believe it is a bench top mounted cast iron cam action clamp to hold a wooden spoke or piece of wood to be worked on using a spoke shave..

Seqret Cat XL

Craig Clayton

I believe it is also related to the furniture chair industry to stretch the springs of the under support frame that is why it has a straight across set of teeth that pull the spring against a right angle frame by the above mentioned cam action.
I found a picture of a wooden modern lever spring stretcher Osborne# 28 in the UK that will pull a spring

Seqret Cat XL

Craig Clayton

I believe the tool could be used to tighten cloth or canvas webbing straps around right angle corner like on a chair or furniture frame. You press down with your left hand on the strap with the teeth and the circular cam is placed against the edge of the chair frame, by pressing the handle down with your right hand the strapping of 1 inch material is pulled very tight then it could be nailed in place.

Seqret Cat XL

Craig Clayton

It might be a hand held pebble tossing sling , like a sling shot before gum rubber tubing was invented.

Seqret Cat Xl

Craig Clayton

I believe it is a mechanical dog scratcher .

Seqret Cat Xl.

Craig Clayton

I believe it could also be an iron pyrite geode.

Seqret Cat XL

Craig Clayton

I believe it is a meteroite or meteroid piece of material that has fallen to earth from space.

Seqret Cat XL.

Craig Clayton

I believe it is a Voskhod Spacecraft IMP Globus Navigation device
BNTKN = number of orbits.

Seqret Cat Xl

Craig Clayton

I believe it is a gaited horse training collar thatis put on the legs

Keep calm and eat bacon XL.

Craig Clayton

I believe it could also be a solid copper slug for smaller calibre bullets

Keep calm eat bacon XL

Craig Clayton

I believe it is a Foster Type shotgun slug in solid copper.
keep Calm Eat Bacon XL..
Craig Clayton

I believe it is a Wheel Wrights Travelers measure wheel for measuring the inside of wagon wheels.

Schroendinger Cat XL.

Craig Clayton

I believe it could be a type of plier to remove external snap ring rings from equipment.

Veggie Hot Dog Xl

Craig Clayton