The Total Gym Scrunch - Black is a versatile accessory designed to enhance your workout on the Total Gym Encompass models. It features a curved bar that attaches securely to the rails, allowing for a range of exercises targeting core strength and stability. Installation is straightforward: align the Scrunch with the upper rails, secure the right pin, and lock the left side with the retractable knob. Ensure it's firmly attached before use. The Scrunch can also be positioned at the bottom of the rails for varied exercise intensity. For effective use, kneel on the glideboard, place forearms on the padded platform, and grip the Scrunch bar. Maintain proper form by aligning shoulders over elbows and engaging the core. Progress through exercises from beginner to advanced by adjusting rail positions and leg movements.