Helps prevent unauthorized use of your climbing wall. To close your climbing wall, push mats against the wall and hang the nylon webbing loops on the specially-designed holds. Then push the red security latch up and lock by turning the security bolt. Mats are snapped to the wall to prevent them from slipping. When wall is in use, lay the mats on the floor for use as a landing surface for your climbers. Fits most climbing walls that use 5/16" t-nuts. Includes all necessary hardware.