A fascinating curly shape that attracts even a gentle stream of water. Uses silicone rubber containing abalone powder, which has an outstanding track record all over the country. A helpful one when you get lost by fusing straight and curly. Kaiyu's straight curly is characterized by its [dedicated thickness setting] and [straight part is also loose to S-shaped], which allows you to take the optimum action, and has a slit in the middle that you can see at a glance!