Mistress Vanny steals the breath of the loser! She presses her hands firmly over his mouth and nose and sits on his neck. He shouldn't have the slightest chance of breathing even a little. By all means possible she prevents his breathing and he is helplessly at her mercy. That's the way the rules are with Mistress Vanny! Only she determines what the slave is and isn't allowed to do. Now he may not breathe any more! For how long? Have a look!