Kristina controls the breathing of her slave by choking him. His face is already getting red and he isn't able to breathe all the time but she shows no mercy and uses all her power to make him stay in position while choking him...

Mistress Hollywood has her slave right where she wants him: between her legs, laying on the ground. She shuts his mouth and smothers him with her hands. He tries to breathe and gets red but she is just smiling and simply increases the pressure a bit to torture him much more...