The Master Series Diabolic Erection Enhancer Taint Stimulator cock and ball piece has a little something extra. Simply place the phallus through the top compartment, and the testicles through the lower hole. Made of flexible TPR material, it will give just enough to wear comfortably, yet firm. Finishing this piece off is a little reward, equipped with a taint stimulator, the wearer will be pleasantly pressed for a diabolical session Is it reward or punishment. You decide!