#lever_tumbler__levertumbler__lever  a flat metal tumbler in a lever lock
  supertype:  #tumbler.obstructor  a movable obstruction in a lock that must be adjusted to a given position (as by a key) before the bolt can be thrown
  part of:  #lever_lock__leverlock  a lock whose tumblers are levers that must be raised to a given position so that the bolt can move

No statement uses or specializes #lever_tumbler; click here to add one.