The pain orgasm

Whenever you think it can't get much worse, the mistress takes it up a notch. There should be an orgasm today, for the "good" work as a cleaning slave. That this with ultra bad ball stretchers, nipple clamps and under extreme pain is " compelled"  the mistress had not said anything about it. . But no matter how the slave moans, screams, begs what should he do in his defenseless position