QUICK-RELEASE FOLDING MECHANISM – Folds instantly. Compact, lightweight, easy to store or bring on the go.RESISTANCE CONTROL: Adjustable tension knob to control the level of resistance and workout intensity. PHYSICAL THERAPY - Provides gentle low impact exercise during physiotherapy. Effective as an arm exerciser and leg exerciser to improve blood circulation and muscles toning. Not for strenuous exercise or workout. PORTABLE LIGHTWEIGHT DESIGN- Superior lightweight frame is portable and easy to store away for continuous use. Disassemble within minutes to allow compact storage.