Fit Cuffs – Rehab Lower Body V3: Preorder of the upoming curved/cone shaped edition – expected shipping in early October 2020. The Leg Cuff V3 has a wide velcro attachment area that allows for a custom fit. By changing the placement of the velcro strap you get a personal fit that will accommodate any thigh shape. By design this variable-contour Cuff can be adjusted to the shape of the thigh providing a personalized fit, resulting in an optimized pressure distribution during exercise. One-Size-Fits-All.