Mistress trains the slave's body and breathing by trampling and facesitting him. Mistress enjoys jumping on the slave's body like a trampoline. Mistress slams her ass into the slave's face and stomps on his face with both feet, crushing it. Slave struggles as he is facesitted and cannot breathe, but the Mistress laughs and carries on. No matter how hard the slave tries to run away, the Mistress's ass chases him and he is quickly Facesitting and unable to breathe. Mistress takes pleasure in watching the slave suffer. Slave cannot escape from the Mistress's ass.