The Quick Change Cymbal Mounting Kit comes with three quick-release cymbal locks and a quick-release hi-hat clutch. The quick-release feature was designed to be an effortless change for cymbals and hi-hats with rock-solid performance. Features include: Three quick-release cymbal locks, with a quick release of your hat clutch Effortless cymbal cymbal and hat change Quick release and the clutch will not disengage during playing no matter how hard