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
Femdom trainee is undergoing kinky training: cock-caged, nipple clamped and holding a book on top of his head
Dominatrix is wearing rubber gloves and dealing with slave's ball sack by using a set of medical clamps
Girl is enjoying the pain male slave suffering when his cock is bound, tortured with lead weights and pierced with sharpened stick