Product Overview
The Upper Leg Gate Strap is mounted on the two vertical tubes between the Handle and the Knee Platform. It keeps the upper leg from protruding through the gap between the two tubes and can be adjusted vertically position the leg fore and aft.
(https://store.iwalk-free.com/Standard-Equipment-Replacement-Part--iWALK20-Upper-Leg-Gate-Strap_p_55.html)
