another mystery piece.. some help?

[GatorBoy]

Seems we have a few odd finds today... might as well add mine.
Hmmmm?

 

[monsterrack]

I have seen bones with holes that where used to straighten arrow shafts after they where heated. Just a guess. very cool find

 

[romeo-1]

Bones with holes sure can be puzzling.

So true...so true!

 

[yakker]

Ancient multi-tool 'snap-on' handle! Cotter pin hole. Go from kill to butcher to clean your teeth with ease and efficiency! :0 Yak