Behind Dogenzaka in Shibuya, Tokyo, there is a long-established store that has been dealing with carpentry tools since 1910. The head of the family, Kenzo Yoshizawa, is the second generation, who is small and suits the kimono of Tsumugi well. Occasionally, in a gentle tone, the old Edokko dialect pops out cheerfully and cheerfully.
In nearby Ebisu, there is a workplace for Mr. Ishido, a master craftsman of plane blacksmiths, and he had a deep friendship with Ishido, the 9th and 10th generation, and Chiyozuru, the first and third generation, so he has good tools. I asked you to show me.

　"Old craftsmen saw during their work in their youth, when they were young, they cut pillars and boards, showed their workmanship, boasted each other, and refined their skills. And as his arms gradually rise, he says he wants better tools, and he will come to us. If you can't lose only to him, your friends will be forced to overdo it. Then it becomes a grindstone. The last thing that determines the sharpness of the knife is the grindstone. Arms, blades, grindstones, and all three are all together, and for the first time you are alone,” the old man smiled.