VARIO.SAFE. EASY. FAST.SAFE: In case of panic, simply pull the yellow QR plugs when caught under the sail or in any emergency situation. The QR lines will immediately release from the harness straps, freeing the harness hook for a fast and safe exit.EASY: Not only can the harness straps be placed on the boom without removing the back end, but attaching the QR lines to the QR straps also takes just a few seconds.FAST: Thick rubber loop pull for shortening the harness lines. The loop is wide enough to fit 3 fingers, allowing you to change length even in full-speed position. Clap cleat for easy and fast lengthening of the lines. The cleat requires very little power to adjust the harness lines' length.