Used to obtain friction between bow and string - essential to make a noise!
Dust-free adhesion advantages,clean and beautiful and make sound clear, warm, mellowness and powerful
Great grip and sound penetrating,well suited for all kinds of steel and synthetic strings
Glittering and translucent get rid , made with high quality resin ,purity is very high, low dust rosin protect human body against the harm,And it does not soften in warm weather