Clever chastity device is hitting cock with electric discharges while topless girl is sitting on top and using vibrator
Girl is into pain and electricity: finding out how many volts male slave can handle in his wired penis without passing out
Girl is enjoying the pain male slave suffering when his cock is bound, tortured with lead weights and pierced with sharpened stick
Mature male is restrained with lesther belts and his balls is being pulled with a specially designed harness