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
Slave is having a date with the cane: suspended by his hands, he is whipped all over his body and manhood
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
Bitch is adjusting the bolts making sure steel clamp is tight enough for slave's balls to be cut off
Mistress is having her lover strapped to bed posts and tormenting his balls with clothespins and steel device