Tantalizingly taboo, anal sex has never felt better than with the Zolo Backdoor Cup. This will be the best anal sex you ever have, and it's ready right when you are. Tightly ribbed texture that mimics the sensations of anal sex. The Zolo Backdoor Cup is ergonomically shaped to provide the necessary grip for the ultimate pleasure. Control the tightness of the inner textured channel by adjusting suction simply with your finger.