You can purchase a light table for art, such as an Artograph LightPad 920. You'll have to be somewhere dark, like a dark room or anywhere with the lights off,...
You can use rags instead. However, paper towels are not going to leave fibers behind that could later block your gun when it is in use, causing you to strip...
Paralysis, and prolonged exposure (especially to the neck or heart) can kill. You could incapacitate someone, but if not careful, could outright kill or permanently paralyze.
Yes, you can use any paper that is easy to handle (printer paper, construction paper, etc.). But make sure that the paper is a square and has equal sides (unless...