Dominatrix is wearing rubber gloves and dealing with slave's ball sack by using a set of medical clamps
Sharp spike-wheel is making a perfect torture combination with the tight steel cuff slave's balls are already locked into
Girl is into pain and electricity: finding out how many volts male slave can handle in his wired penis without passing out
A set of steel clamps are there to put cock and balls in pain while cruel women is beating them up with wooden paddle