Most of the bows of Kokyu that are used in the genre of Sangyoku (played in combination with Kokyu and two other Japanese instruments) are long, and bows with a hair length of seventy centimeters and a total length exceeding one meter are common.
三曲系で使われる弓は長いものが多く、毛の長さ70センチメートル、全長1メートルを超えるものも珍しくない。