Whenever a slave is trained by Mistress Natalya Sadici there is an impact on his life in some way. Tonight the impact is on his balls! Shackled with his arms overhead, Her slave endures continuous kicks to his balls. Shivering and shying away only results in Mistress Natalya becoming more ferocious. The intensity turns Her slave on as She includes kneeing and smacking with Her hand. When he no longer can stand up straight Mistress Natalya grabs him by the collar. The night is young, and She will make him take more...