Nude male is wearing a mask and suffering humiliation when his balls are getting clamped and then whipped by hot girl
It is impossible for the frog-tied slave to runaway from the whipping mistress punishing him violently
Mistress is using balls destruction as a way to stop that man from jerking off: spread-eagle bondage, balls beating and trampling are doing the job fine
It is impossible for the slave to stop the penis insertion torture because he is wrapped in plastic from to to bottom and controlled by evil nurse