Mistress Denise has bound the slave who lies right in front of her. She walks right at his upper body - and then starts to faceslap him... but not with her hands - with her feet instead! And his face is perfectly made to be her target because it makes so funny noises when she hits it...!
This loser's bound on the floor and punished by Denise! Again and again she hits his back with the crop and orders him to kiss her boots. And if he doesn't do it to her demands she will hit him even harder than before!
Mistress Denise bound this loser on the floor and slaps his face again and again! If that hurts him? Mistress Denise orders him not to feel it as pain! The she also kicks his face with her boots - that's not supposed to hurt him as well!