Any person who felt Joiuchi (kill of offender) or Bureiuchi (kill of dishonor) outrageousness was allowed to fight against or even kill his enemy using a short sword however overcoming their status distinctions were (even the enemy was his superior).
また、上意討ち・無礼打ちに理不尽を感じた者は、両者にどのような身分差があれど（たとえ上司であっても）、脇差でならたとえ殺すことになっても刃向かうことも許された。