Naked male is strapped along the table: can only watch the redhead hitting his ball with her hands and feet
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
Dominatrix is wearing rubber gloves and dealing with slave's ball sack by using a set of medical clamps
Girl is into pain and electricity: finding out how many volts male slave can handle in his wired penis without passing out