Diversity of Ozuku stone, which is full of attractions other than its ultra-hard mouth. Among natural whetstones, there are some that are called “phantom whetstones” because th…
Finishing natural whetstone Finishing natural whetstones are natural grinding stones used to sharpen knives and tools in the fin…
Grinding Wheel Types Rough, medium, and finishing whetstone in knife sharpening: the trifecta of sharpness Three types of…