e/Johnson bar (vehicle)

Information
has gloss	eng: A Johnson bar is a hand lever with several distinct positions and a positive clutch to hold the lever in the selected position. The positive clutch is typically activated with a spring-loaded squeeze handle on the lever so that only one hand is needed to release the clutch, move the lever, then reengage the clutch.
lexicalization	eng: Johnson bar
instance of	c/Vehicle parts