The worst femdom tortures you can imagine: hitting weak penis with mouse trap and then cutting off balls with castrating device
Clever chastity device is hitting cock with electric discharges while topless girl is sitting on top and using vibrator
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
Girl is enjoying the pain male slave suffering when his cock is bound, tortured with lead weights and pierced with sharpened stick