Extra strong string to wind, for instance, into the depression around the middle joint. Dia.:0.75mm,length:300m. Material: Vinylon (artificial fiber)
Cherry Tree Bark, ¥1320
Mentori 3-rin (width:0.9mm), ¥14740
Mentori 2-rin (width:0.7mm), ¥14850
Wooden Joint Section Insert S, ¥880