Extra strong string to wind, for instance, into the depression around the middle joint. Dia.:0.75mm,length:300m. Material: Vinylon (artificial fiber)
Middle Joint Insert Tools A&B set, ¥11550
Middle Joint Insert Tool A (with handle), ¥6655
Middle Joint Rasp A (With Handle), ¥10230
2-rin rattan (width:0.6mm), ¥12650
Joint Forming Tool-L, ¥8470