He says the ferrel moves up and down. The handle is wooden.Do those pieces screw together? Is the hairpin adjustable?
It kind of looks like one but I don't think it is.Sash window weight?
Could be wire related. I was thinking it looks like its for some sort of weaving...Maybe for twisting wire?
I think you're correct !It looks like a handle from a 1900’s era two man cross cut saw.