Nagura Extra Coarse/Coarse ryusen "Tojo" in Eastern Japan) is

"Tojo" in Eastern Japan) is the modern name for slaughterhouse

especially along the spine

These fish tweezers come together with a slight rounded curve

Weight: 215g

Nagura Extra Coarse/Coarse ryusen "Tojo" in Eastern Japan) isProduct Description Detailed Specs Measurements This is a double sided synthetic "nagura" for cleaning up and reconditioning stone surfaces. Unlike natural nagura, the mud from synthetic nagura should always be washed away before you begin sharpening. Nagura like this can be use to clean up a stone surface that has become loaded up with metal or is no longer working the way it should. It can also be used to either impart more scratches to the stone