A miracle 10 meters underground: Why is the Kurumaguchi wheel called a “phantom”? 1. what is a kurumakuchi grinding wheel? Origin of the name Among natural whetstones, there is one that is called “miraculous” – the “Nakayama Kurumaguchi Togishi. Among whetstone fans and craftsmen, this stone is called “a dream piece” that one would like to use just once. Why is it so...
