More than 800 Pounds of Resistance at the Push of a Button This innovative lower body piece helps build dynamic hip explosion with no shoulder or spine loading. Resistance is adjusted by the push of a thumb button, enabling instructors and coaches to train more athletes in less time. Pivoting handles accommodate users of all heights including those seven feet or taller, and puts them in an ideal squatting position. The base of the Belt Squat is wider than the Keiser Air 300 Squat Machine, offering opportunities for diverse programming, and the ability to train at optimal speed with the chosen load. Accessories available to allow performance of different squat movements.