This Japan Times article features a YouTube video (in Japanese) about the importance of the igusa crop (the raw material used to make tatami mats) in Kumamoto. It ends with the female model eating her chop sticks, which are made from igusa.

– Kirk

http://www.japantimes.co.jp/news/2017/07/08/business/corporate-business/tatami-promoters-kumamoto-develop-rush-flavored-edible-chopsticks/