Originally, it was a bamboo bow made of bamboo and wood glued together with isinglass (a kind of gelatin), but today bamboo bows glued with synthetic adhesive or affordable ones made of fiber-reinforced plastic (glass fiber, carbon fiber) are popular.
本来は竹と木材を鰾（ニベ。ゼラチンの一種）で張り合わせた竹弓だが、現在では合成接着剤で張り合わせた竹弓や、安価な繊維強化プラスチック（ガラス繊維、炭素繊維）製のものが普及している。