The patient has been selected for experimentation. The Hunteress wants to see just how far she can stretch his urethra, so a selection of sounds are employed, each in turn inserted deep inside of him. This particular patient has never experienced the sensation of cold steel inside his penis, so to be sure he doesn't try to evade his Mistress's evil desires, she has him restrained in a sensory deprivation hood and leather straitjacket. He has no choice but to lie back and endure the ride!