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That would probably work too. I generally use 600 grit. you can also use another barber hone.

Barber hones are very hard, so this isn't like lapping a norton.

Make sure the swaty is lapped, and chamfer the edges.

I use my Dubl Duck hone a fair bit, and used to use my extra-fine "The King" hone a lot until I dropped it and chipped the ^%$#@ out of it:cen

You've got to lap them, like you would a norton or...