There, Yuhitsu became a specialist job, and it became common to order Yuhitsu to create and write Monjo and Samurai families only signed or wrote Kao (written seal mark) on them.
そこで専門職としての右筆が誕生し、右筆に文書を作成・執筆を行わせ、武家はそれに署名・花押のみを行うのが一般的となった。