#sheath  a protective covering for a knife or sword
  supertype:  protective_cover__protective_covering__protection  a covering that is intend to protect from damage or injury; "they had no protection from the fallout"; "wax provided protection for the floors"
  subtype:  aglet__aiglet  metal or plastic sheath over the end of a shoelace or ribbon
  subtype:  fingerstall__cot  a sheath worn to protect a finger
  subtype:  holster  a sheath for a handgun; usually leather
     subtype:  shoulder_holster  a holster worn over your shoulder so a gun can be concealed under your jacket
  subtype:  scabbard  a sheath for a sword or dagger or bayonet

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