Extra strong string to wind, for instance, into the depression around the middle joint. Dia.:0.75mm,length:300m. Material: Vinylon (artificial fiber)
Line Cutter, ¥1800
Joint-Forming Tool-S, ¥8500
3-rin rattan (width:0.9mm), ¥10500
Celluloid Sheet (Tortoiseshell Pattern, Thin) - Material for Making Shakuhachi Joint Rings, ¥800