[kingpin]

Originally Posted by Blademaker

Its a stick about a foot long with a small loose propeller tacked on the end.
The stick has notches cut in the handle, that, when you run a smaller stick up and down the notches, the vibrations start to turn the propeller.

My Dad used to carve them.

Listen to blademaker.
He knows all about small sticks and vibrations from what I've heard around here.