According to the description, there were some people who made nigiri-zushi in the past, but each piece, packed into a box partitioned with bamboo leaves, was lightly pressed for several hours.
、要約すると「以前にも握りずしを試みた者はいたが、握った後に笹で仕切って箱に詰め数時間押しをかけるすしであった。