荒砥を使おう！自作なら約200円で作れます（軟らかい刃物用）　研ぎ方講座も兼ねて秘訣をお伝えします 硬い刃物も基本は一緒

Many people probably only buy 1000-grit whetstones, but the most important thing is actually rough whetstones. Why is rough whetstone important? Our channel's sharpeners will explain this and also provide a sharpening tutorial. If you're hesitant to buy a rough whetstone, you can make one yourself using wood and waterproof paper. *A homemade rough whetstone will be fine for soft blades, but a rough whetstone is better for hard blades. If you're unsure what constitutes a soft blade, consider knives under 5,000 yen to be soft. ------------------------------------------------------------------------------------------------- We sell natural whetstones. We also have rare whetstones, so please take a look! [Artisan's Shop] Knife Sharpening Tsuneshin https://tsuneshin.net/ 31 years of sharpening experience, sharpening over 150,000 blades. We provide knife sharpening services to numerous restaurants and famous cutlery shops in Kyoto. We carry a wide selection of natural whetstones in addition to blades. *Available in-store only [Online] Kyoto Whetstone Shop https://www.kyoto-toishiya.com [Official LINE] We'll send you whetstone information and sales information. Please sign up! https://lin.ee/uhM43XD [Contact Information] If you have any questions, please contact us here. [email protected]