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
Two MILF dommes on one man: the first lady is whipping his balls while another is hitting penis with high voltage sparks
Nude man is handcuffed to the post and cannot protect himself when bitchy cougar is using riding crop to interrogate him
The worst femdom tortures you can imagine: hitting weak penis with mouse trap and then cutting off balls with castrating device
This lesson is about CBT. Just give sexy teacher a few minutes to strip down and she will begin the punishments