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Dull Knife I guess is my new name as given by Bigfoot. <img src="/forums/images/graemlins/grin.gif" alt="" /> In fact I can knock two pieces of obsidian together and create and edge you cowboys can only dream of. Obsidian blades are used in microtomes and eye surgery.


I agree, obsidian can form a natural "super" sharp edge. I learned this as a Boy Scout in California. Flint can get darn close. Unfortunately, I do not posses the skills yet. <img src="/forums/images/graemlins/grin.gif" alt="" /> <img src="/forums/images/graemlins/grin.gif" alt="" />
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