The sword (about 86.4cm) Sannan used in the incident was 'a work by Okimitsu SEKISHIN, the resident in Harima Province,' had a nicked edge, and was broken at about 33.3cm.
山南がこの事件で使っていた「播磨国住人赤心沖光作」銘の刀（2尺8寸5分＝約86.4cm）は、ひどく刃こぼれし切っ先から1尺1寸（約33.3cm）のところで折れた。