I put my slave in mummification foil so that he is completely helpless for this toilet training. I cut a hole for his cock into the foil and jerk him to make him even weaker. While doing so, I sit on his face with my latex thong and instruct him to lick my ass crack. Then I take off my latex panties and my slave has to lick the rubber clean. Time to pee into his mouth! My slave must swallow all of my piss. Let's see how much more he can take...