Originally Posted by
wsfarrell
To me it doesn't make a ton of sense to use a soft, coarse nagura on a hard, fine finisher. The polishing effect will be limited to whatever the grain of the nagura is, not the finish stone. Far better to use a tomo-nagura, or, in the absence of that, a diamond plate to raise a slurry from the finishing stone itself. There can be issues of diamonds coming off the plate, but in the rare event that happens, you can feel them with your fingers and get rid of them.