Tama MXA53 Closed Hi-Hat Attachment Fast ClampSimply designed the Tama MXA53 Fastclamp Closed Hi Hat Attachment that allows for two different settings by engaging a lever. Attachable to stands from 19. 1 to 28. 6 mm in diameter, it's great for double bass or double pedal players. You can also set the hi hat cymbals as half open using the spring. Do you ever feel like you need three hands to attach a drum clamp? Are you constantly frustrated by having to search the floor for dropped and scattered