The Mistress is in total control of the slave. When she yanks the ball leash or specially when she runs and you can bet she can run very fast, there is no choice for the poor victim. He must follow with his strained balls or he is emasculated in no time. To be sure that the damage is long lasting she even kick him in the tied up testicles! Length 10:33 minutes. ballbustingchicks.com