Champ spike fastening system unsurpassed comfort unparalled traction innovative wear indicator easy replacement easy cleaning most durable green friendly the q lok system fitting system 18 spikesthe champ q lok system eliminates the traditional threaded system for fastening spikes to shoes q lok incorporates a patented design based on two interlocking triangles a female receptacle in the shoe sole and a male fitment on the spike the q lok receptacles are non rusting and can withstand the max