Once she is satisfied with his cleaning job, Princess removes her boots and makes him smell her sweaty stinky socked feet. The slave moans from how bad it smells. It actually makes him cough and gag. She retaliates by opening his mouth and shoving her heel into his open mouth and then crosses her legs. The slave hates being gagged in this way, but being trapped in the facebox with only his face sticking up from the floor, there is nothing he can do about it.