This useful file is for smoothing out the depression in which to set the string and rattan.
Size Withd 6mm, Made in Japan
Joint-Forming Tool-M, ¥8500
Wooden Joint Section Insert M, ¥900
Line Cutter, ¥1800
Mentori 2-rin (width:0.7mm), ¥13500
Joint-Forming Tool SET, ¥24000