The worst femdom tortures you can imagine: hitting weak penis with mouse trap and then cutting off balls with castrating device
Dominatrix is wearing rubber gloves and dealing with slave's ball sack by using a set of medical clamps
Hot dominatrix is having her slave handcuffed and using weird tool to pu tight rubber bands over his balls
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