Hyoutanya makes the traditional toothpicks used in tea ceremonies. The picks are now used in homes. The picks are made from Kuromoji Trees. The picks were used by Sen No Rikyo in the tea ceremonies. See "黒文字の歴史 History of Kuromoji". 万作の嫁 甘味ブログ Mansaku no yome kanmi BLOG. 2011-05-11. Retrieved 2014-11-03.