The seppuku ritual later became simplified so that the seppukunin would wear a kamishimo and be served yuzuke, omitting the hatamaku, while all that was used to dress the room were two tatami mats covered with white silk and a white folding screen, the dish eaten was a single serving of konbu served on a sumioshiki (wooden tray) before the seppukunin nods to the kaishakunin to receive one cup of sake which was raised to the kaishakunin, and the coroner sat diagonally opposite the seppukunin at a distance of 3-ken (approximately 5.45 m).
のちに簡略化され、切腹人が裃を着ると湯漬け飯を出し、旗幕を省き、畳2帖白絹敷物白屏風のみとして、肴は昆布1切を角折敷にのせて出されるのを介錯人に会釈して一献受け、介錯人にさし、検視は3間ほど離れて筋違いに座する。