Rock climbers use ROPE as a key piece of gear for safety and support while climbing. ROPE is used to secure the climber to the wall, to tie off anchors, and to rappel down the wall. It is also used to create a belay system, which is a way of controlling the ROPE so that the climber can ascend or descend safely. ROPE is typically made of nylon or polyester and is available in different lengths and diameters.