Lady Eva wants to humiliate her slave by making him inhale the smell from her sweaty, stinky boots. She wants to make sure that he smells nothing but her sweaty feet so she ties her sweaty boot to his face. He is forced to breathe in the stink and she adds to his humiliation by demanding that he polish the dirt and sweat with his tongue while the boot is on his head.
When it's time to give reviews in Jackie's office, she is very happy. She calls her secretary into her office and tells him that if he doesn't please her feet, he is not getting a raise. She puts her feet on the desk and makes him lick the soles of her shoes before she took them off. He licked the soles of her feet through her nylons and brought her pleasure.