DW One-Touch Hi-Hat Clutch One-Touch Hi-Hat Clutch Simply turn the contoured aluminum knob of the DW One-Touch Clutch to incrementally lock the hi-hats into place No more fumbling with multiple lock nuts or dealing with loose cymbals in the middle of a song The DWSMOTC is sold as a DW Factory Accessory upgrade and comes standard on the MDD Hi-Hat Stand Simply turn the contoured aluminum knob of the DW One-Touch Clutch to incrementally lock the hi-hats into place