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Method 1
How do you sharpen the Asymmetrical Edge? To maintain the
asymmetrical edge, the flat and convex sides should be sharpened
in different ways. To sharpen the flat side you need to use a
ceramic rod and draw the knife towards you, edge away from you.
To sharpen the convex side you can you a leather strop. Sharpening
the knife in this way will realign the edge without removing as
much metal.
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Method 2
This is Cliff Stamp's current sharpening method as follows:
Touch up with strop, first on canvas then leather plus Lee Valley
CrO compound if this fails to produce a high quality edge. Turn
to a few passes on 800 grit ceramic rod. If this fails to leave
an aggressive edge, remove a little more metal so try a few passes
on a 600 grit 12" DMT diamond rod. Touch up with strop and if
necessary, a few passes on 800 grit ceramic rod.
Afterwhile even this stops working as there will be a visible
secondary bevel on the edge. Then back up one step further, Use
a SiC wet/dry sandpaper on the convex bevel, Then use a SiC waterstone
on the flat bevel. Then use a finer grit of the same & touch
up with strop and if necessary a few passes on 800 grit ceramic
rod.
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