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When Edge Retention Matters (and also when it doesn't): Knife Talk

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M390 steel into overdrive - death by degrees! an epic edge retention video

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Coarse vs Polished - S110V Steel Edge Retention

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NEW! CPM S45VN Steel Edge Testing and Steel Talk

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I Forged a Blacksmith's Knife With ONLY Hand Tools (Perfect for Beginners!)

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Forging a Damascus Katana from 1000 paperclips

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SHARPENING ZDP189 AROUND 70 HRC

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I made the SHARPEST Sword with wood, Goujian from 2500 years ago, same technic used by Liziqi