A tool for drawing perfect circles on the outside of the bamboo for work around the middle joint. 2 blades.
Joint-Forming Tool-S, ¥8470
Middle Joint Rasp A (With Handle), ¥10230
Mentori 2-rin (width:0.7mm), ¥14850
Middle Joint Insert Tools A&B set, ¥11550
3-rin rattan (width:0.9mm), ¥11550