Almost Japanese finish sharpening stones come from Kyoto.They are good at to finish woodworking tools ,Japanese swords ,dagger ,chef knives and so on.They have many many class ,hardness range and grit...
Japanese natural whetstone includes distinguished abrasion power and grain with detail. Japanese use water for Japanese natural whetstone and sharpen it. As it uses it, it is a good point that become smooth....
Karasu means crow black point design. And it is so rare. Because they are born from deep stratum, hard stones are found. In the appearing stratum of a design of a Karasu, there is a case to slightly appear...