A universal one-size-fits-all design crafted from sturdy CNC Aluminum 6061 alloy. Attach to your throttle for simple, effective speed control and wrist fatigue relief. Adjustable gear allows quick one-hand operation and easy tension control. Dual engagement by either pressing down with index finger or rotating by pushing up with thumb. Disengage by rolling forward on the throttle or flipping clamp up. Easy on/off installation, no tools required. Simple, durable and effective throttle control. Choose Black or Chrome.