Supertrainer Brad Harris says: "In 40 years of fitness training AB-OrigiOnals are the best complete abdominal developers I have ever found, and now I use them exclusively. Everyone should!" Jim Palmer, baseball Hall of Famer and fitness enthusiast: AB-OrigiOnals make me look great in my Jockys. Joe Gold, founder of Gold's Gym and World Gym: AB-OrigiOnals are a definite breakthrough for superior abdominal muscularity. Ironman Magazine: "If you really want to blast your abs into shape, try AB-OrigiOnals." Requires Chin Up Bar, Door Gym or Wall Mount Chin Bar for use. Available in Blue or Black.