When playing double bass. the hi-hat cymbals can be closed by hitting the lever on the drop clutch._x000D_ While in the dropped position. TAMA's Sizzle Touch Drop Clutch allows you to adjust the gap between the top and bottom cymbals. allowing for fine adjustments to achieve the desired open sound. To resume normal hi-hat function. push down on the footboard of the hi-hat stand to secure the clutch in place.