In part four of their kinky slave pursuits, Kinky Maso Slut finds themselves bound and at the mercy of their master's twisted desires. E-stim, CBT, and a myriad of kinky stretches push the crossdresser's limits as they beg for more. Nipple clamps, ball stretchers, and urethral sounds send waves of intense sensation coursing through their body, as they writhe and moan in delicious agony.