Washita stones should be used with one of these lubricants:

Apex 4 Edge Pro 120

Extendable Table Module for Hapstone modular sharpeners is useful for sharpening long and short knives that are difficult to clamp

Orion 240 (100%)

Kiken series does not compose the set of even progression but offers "repository" of premium stones to make a custom stone set

tsushima natural nagura Washita stones should be usedTsushima Natural Nagura stones are used to create a honing paste on the surface of natural stones in order to refine the grit structure and give the stone a better bite on the edge being sharpened. Tsushima Nagura stones are usable on all sharpening stones from medium to ultra fine grits. They work on artificial stones as well as they do on natural stones. Tsushima Nagura () is mined on Tsushima Island off the coast of Nagasaki Prefecture in Japan.