Strength training and exercise anywhere with two Iso-Bow™. Having two (or more) Iso-Bow™ allows for double the utility and convenience: some users prefer keeping one at home and one in their gym bag. Or one in the car and one in your suitcase. Or one upstairs and one downstairs. With Iso-Bow™ you can keep your biceps, triceps, chest, and shoulders chiseled no matter where you go.