Originally Posted by
mainaman
The final step of the honing process is optional, but I choose to use Tomonagura, a piece of polishing stone that creates very fine slurry for final polishing of the edge.
The Tomonagura routine is again same as with Nagura.
At the end I like to finish with water only.
....
My personal tomonagura is in the 20-30k, it is a soft Nakayama Tojiro that I got from So.
Tomonagura can be any piece of fine finishing stone as long as it is softer than the base stone, one can also use tmonagura cut from the base stone itself.