Since Naginata has a relatively shorter blade compared to Uchigatana, most of them were remade for Wakizashi (medium length sword) or Tanto (short sword) by cutting the Nakago (core).
薙刀は打刀に比べると刃渡りが比較的短い為、茎を切り詰めて脇差や短刀に仕立てたものが多い。