If you want hands and forearms that are strong enough to crush boulders, then we have the strap for you. The tarzan strap is an ultra-thick utility strap that can be used on most any rig, pull-up bar or rack to do pullups, or to do tarzan swings with. Work your back, shoulders, and your grip in a new way that will leave your forearms and back begging to tap out. This strap can also fit on most any cable machine or band to do triceps, biceps, chest, shoulders, and much more. Sold as a single or as a pair.