In the world of Japanese natural sharpening stones, Nagura stones occupy a special place. They are not the main sharpening stones, but are designed to create an abrasive suspension on the surface of the main stone, thus extending and enriching the sharpening possibilities. Among them, the best known and most appreciated system is probably the Asano Mikawa Nagura, which is distinguished not only by its quality, but also by the thoughtful structure of its progression. What [...]
