Chosera stones, made by Naniwa, are considered to be among the best Japanese sharpening stones. They are known for their fast sharpening and for leaving an extremely fine and long-lasting edge.
Use in sharpening
For stones and edge maintenance, this term helps decide how to restore or preserve sharpness without damaging blade geometry. Pressure, grit and stone stability matter as much as speed.
Practical criteria
If the knife has only lost some bite, a medium stone and steady movement are often enough. If the edge is damaged, start with recovery and finish with a finer grit.