Experience endless possibilities with the most user friendly pleasure system in the world. You will never get bored with your Vac-U-Lock toys thanks to this exciting accessory that allows for a hands free good time. It might look innocent but this Vac-U-Lock suction cup extension is built to withstand the roughest play. Suitable for silicone, oil and water based lubricants and interchangeable with all Vac-U-Lock components. From Doc Johnson.