An original abdominal excerscise aid designed to strengthen abdominal muscles while insuring proper posture, relieving cervical and back stress. The use of the Sit-Up Strap isolates the abdominal muscles to give you ultimate muscle definition. An immediate difference will be noticed in the quality of sit-ups and crunches. 100% nylon, Velcro adjustable.

Free with an order of 2 items or more!