Mistress Anfisa positions the slave in front of and facing away from her. He is nervous and has no idea what his mistress has in mind for him. She strokes his face trustingly from behind and gets closer and closer to his mouth and nose. Then she grabs him with both hands! Now he can't breathe anymore and has to hold out for a long time without oxygen. Mistress Anfisa shows him how long he can do it for!