#hook.mechanical_device__claw  a mechanical device that is curved or bent to suspend or hold or pull something
  supertype:  #mechanical_device  mechanism consisting of a device that works on mechanical principles
  part of:  #coat_hanger  #grapnel
  subtype:  #ground_tackle__anchor  a mechanical device that prevents a vessel from moving
     subtype:  #grapnel_anchor__grapnelanchor__grapnel  a light anchor for small boats
     subtype:  #mooring_anchor__mooringanchor  an anchor used to hold a mooring buoy or a channel marker in place
     subtype:  #mushroom_anchor  an anchor used for semipermanent moorings; has a bowl-shaped head that will dig in however it falls
     subtype:  #sheet_anchor__sheetanchor__waist_anchor__waistanchor  spare anchor for use in emergency
  subtype:  #pothook  an S-shaped hook to suspend a pot over a fire
     subtype:  #trammel.pothook  an adjustable pothook set in a fireplace
  subtype:  #tenterhook  one of a series of hooks used to hold cloth on a tenter

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