Mz. Berlin ties her slave down on his back and asks him about why he likes "nipple torture", and then explains the difference between "torment" and "torture".  She takes a mean rubber flogger and begins to beat his right nipple while he squirms and groans in pain.  She attaches clover clamps to his nipples and then connects them to another pair on his balls.  She sounds his cock with several metal sounds, of varying thicknesses, stretching his urethra.