Kat Dior keeps a slave in a latex hood in her lab. She is applying science to obtain complete control over the male orgasm. She gets him hard quickly and brings him close to the edge of cumming by showing him her perfect big tits while she strokes his cock. When he gets close to cumming, she uses a shocking device that hurts his cock and stops him from cumming. She sensually strokes his cock and teases him with her perfect tits bringing him right to the edge, over and over, only to receive an agonizing shock each time. When she's done experimenting with him, and he has lost his mind completely, she sweetly tells him that he will not be cumming, but she will probe his ass later on... To be continued...