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
Blowjob tease and denial: girl is blowing his cock like a pro but not allowing to cum again an again
A couple of elegant ladies are having slave's balls tied up tightly and destroying them by pulling ropes in different directions
Girl is into pain and electricity: finding out how many volts male slave can handle in his wired penis without passing out
Latex-dressed dominatrix has put cock in a steel tube and beating up balls with her fists while male slave is in bondage