Girl is into pain and electricity: finding out how many volts male slave can handle in his wired penis without passing out
Naked guy is wearing cock cage and his balls are bitten with clothespins during the fem dom education lesson
Dominatrix is wearing rubber gloves and dealing with slave's ball sack by using a set of medical clamps
Goddess comes to the stables where ponyboy is kept: his balls to be tormented with rope bondage and then locked into chastity cage