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18th August 2007, 07:57 PM
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EAAF Staff
Join Date: Dec 2004
Location: Louisville, KY
Posts: 7,270
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Well, yes they were polished but then etched with lime juice in the sun and perhaps heating the blade a little. Repeated etchings would bring out a pattern (if any) but do not do it to the point to where it eats too deeply into the blade (like Javanese keris for example). You just want the surface pattern to show.
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