#clutch_pedal__clutch  a pedal that operates a clutch
  supertype:  foot_pedal__pedal__treadle__foot_lever  a lever that is operated with the foot
  part of:  clutch.coupler  a coupling that connects or disconnects driving and driven parts of a driving mechanism
     part of:  transmission_system__transmission  the gears that transmit power from an automobile engine via the driveshaft to the live axle
        part of:  drive_line_system__drive_line__driveline  mechanism that transmits power from the engine to the driving wheels of a motor vehicle
           part of:  motor_vehicle__motorvehicle__automotive_vehicle  a self-propelled wheeled vehicle that does not run on rails

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