Assertion: butcher's knife | /r/HasProperty | held at lower angle than the edge
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text: For one, unless the angle of the knife matches the edge there's only two possibilities, a) knife is held at a higher angle compared to edge angle, then you simply dull the knife, nothing else, well if the guy used a grooved steel, he'd rip chunks of the edge out; b) knife is held at a lower angle than the edge.