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
Celluloid Sheet (Tortoiseshell Pattern, Thin) - Material for Making Shakuhachi Joint Rings, ¥800
Wooden Joint Section Insert S, ¥800
9-Blade Saw for Joint Making, ¥3500