The patented D'Addario Quick-Release System converts your favourite strap into a quick-release strap and is one of the most popular, must-have acoustic guitar accessories available. Quickly, easily, and safely disengage guitar Easy to setup and remove A must have for your acoustic guitar Secure during play Works on your favorite guitar straps without permanent modification The Quick Release System takes seconds to set up: just loop one end of the quick release buckle under your strings around the headstock. Loop the other end of the buckle through the end of your strap. Just squeeze the quick-release and youre free: no knots to struggle with and no need to drill a second strap button into your guitar. It wont come loose during play, and the extra length of the cord keeps the guitar strap from interfering with your hand when playing near the headstock.