Is it a knife rest?
looks like something to grind food products, like corn, wheat beans herbs and the like from solids to powder form.
I could think of some other things but, they might get me banned.
How about a tool for working metal shapes or a nail pounder.
Oh wait, I didn't see that part about it being just 3". Hmmmmm, this will take some more thought. I'll have to think harder.![]()
A rotary telephone dialer, it seems too fancy for such a simple task.
I never would have got it. I always used my index finger; Ya know; next to the one I use while driving my car in heavy traffic.
Came back too late, but thank you Pappy for the hintHint: It's something that you wouldn't use on today's cell phones. Bet you get it now. :sentimental: