(or, “I’m grumpy and want to complain”)
Eat a cookie in the dressing room. When he comes in back to check on the rotation, sees you eating your cookie, and grabs your wrist to try and take a bite of the cookie while it is in your hand, without asking, say very firmly,
He will of course still expect his ten percent of your income at the end of every shift, and he will give you a lackluster and ungrateful “good job” as you hand him several twenties, concentrating on Pema Chödrön, or at least not punching him, while you do.
1- Unsurprisingly, eating other people’s food is actually a serious problem he has and the manager has yelled at him a few times.