RE: New kind of paint
Found this at discounthuntingsupply.com:
Lohman Turkey Hunting Box Call Magic (L807)
*Here's a must-have for every turkey hunter's vest *Box Call Magic's special formula coats and attaches to any wooden box and push-button calls to waterproof your favorite box call *It also acts as a perma-chalk to make sure those calls keep saying the right things
Box Call