Explain the type of knife and how to sharpen it. We also introduce deeply the tools and grinding stones for sharpening.

In particular, the grinding stone references to the attractiveness of natural whetstone, we will also touch on the relationship between kitchen knife and natural whetstone, as well as cooking.

Kitchen knife made by traditional Japanese production method, Sakai blade knife blacks introduced. I will introduce the production process.

The grinding stone covered the mining site of natural grinding stone mined in Kyoto. Then we will introduce the sharpening and sharpness using natural whetstone while plotting microscopic photos etc.