Suction Sit Up Tool Used To Handle Tapes And Cut Them Easily.6105 Suction Sit Up Tool Used To Handle Tapes And Cut Them Easily. Description: Ergonomically designed, More Soft Foam Covered Handle, Comfortable Padding To Regulate Traction On The Back Of The Foot During Playing Sit Ups To Avoid Ankle Getting Injuries Or Bruising. Large Suction Rubber Chassis Provide More Suction Cup Area And More High Stability. Sit Up Assistants Big Suction Cup Made Of Natural Rubber Which Is Durable And Long Life. DURABLE