Sunny Health & Fitness Sit Up Bar DURABLE DESIGN: The heavy duty foot bar adjusts to three different positions to help hold your feet in place as you perform sit ups and crunches. The device helps assist proper form so you can better engage your core and get the results you want. CORE BENEFITS: Help build and strengthen core muscles while performing sit-up, crunches and Russian twists. Start your fitness journey today with Sunny Health and Fitness. FOAM GRIP HANDLES: The padded handles keep feet secure as you perform core exercises. Attach the fitness tool to your door for stability and balance while you exercise. Foam handles keep feet comfortable during routine. EASY ASSEMBLY: Assembly is easy and quick! Simply place underneath your door and start your ab workout. VERSATILE AND ERGONOMIC: Lightweight and compact, this fitness core tool is excellent for on the go fitness. When you are finished, store away in a closet.