Hoist Roc-It Selectorized Biceps CurlThe Hoist Roc It Selectorized Biceps Curl offers a cable driven exercise movement that automatically adjusts to your unique arm length and shoulder width. With swiveling pulleys, you can easily switch between pronated, neutral, or supinated grip positions. This innovative machine starts in an upright posture to target bicep recruitment and gradually rocks backwards to minimize strain on the shoulders and back, replicating the natural movement of a