A tool for drawing perfect circles on the outside of the bamboo for work around the middle joint. 2 blades.
Mentori 3-rin (width:0.9mm), ¥14740
9-Blade Saw for Joint Making, ¥3850
4-rin rattan Corner-cut (width:1.2mm), ¥8250
Wooden Joint Section Insert L, ¥1100