Preparing a Glass Pot Call for Turkey Hunting

Glass pot calls do not normally come out of the package ready to be used. The surface must be scratched in order to get a sound. This video will show you how.
www.cottonwoodcreekgamecalls.com

[@Regularcitizen1]

What grit do you use?

[@thomaslindner9611]

I’m going to try like a 400 and then work my way to an 100 and see what is best