#golfclub_head__club_head  the head of the golf club that strikes the ball
  supertype:  #head.striker  the striking part of a tool; "the head of the hammer"
  part of:  #golfclub
  part:  #sole  the underside of footwear or a golfclub
     part:  #waist__shank  the narrow part of the shoe connecting the heel and the wide part of the sole

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