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Grind until you get an even and
thin line of light.
Now grind the other wing in the
same way.
Then grind the keel. Turn
the tool from side to side to
equalise the grinding towards
the wings.
Grade the grindstone for fine
sharpening with the fine side
of the Stone Grader SP-650.
Continue sharpening one wing
at a time and then the keel.
Check the results frequently.
Remove the burr on the leather
honing wheels so that you can
better observe the line of light.
Now sharpen again with a
very light pressure. Check
frequently so that you do not
over-sharpen.
Stop sharpening immediately
when the line of light disap-
pears, which is a sign that the
edge is sharp.
Important
It is very easy to be misled by the burr and mistake the burr for
the line of light! Therefore you must remove the burr frequently during the
finishing of the grinding operation, so you clearly can watch the progress of a
gradually thinning line of light.
