Radar Vapor Barlock 13'' Slalom Water Ski HandleRadar Vapor Barlock 13" Slalom Water Ski Handle The Radar Vapor Barlock 13" is a tournament slalom water ski handle built around Radar's BarLock attachment method. Rather than threading the rope through the bar, the line is tied around the outside of the bar so the rope is fully visible pros prefer it because the rope locks the bar in position the moment the line tightens. The result is a bar that won't twist or roll under heavy pull, so your grip