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…
No Longer Unearthed—Inoshiriyama’s Lesson in the Art of Subtle, Hazy Sharpening Umegahata, Kyoto. This area was once home to a concentration of Japan’s leading natural whetst…
East vs. West: A Showdown of Grinding Wheel Strata──Changes in Geology Lead to Changes in Sharpening Performance In my previous blog entry, I wrote about the peculiarities of geological formations in the suburbs o…