Looks as if it was made by a sharp edge of something in metal.

看起来好像是什么金属东西的锋利边缘割的。

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This hammer was made for battle using a mysterious metal, its sharp edge capable of piercing shields and armor easily. Used to mercilessly crush enemies before one's eyes.

这把为战斗而生的锤子是由神秘的金属打造，锋利边缘能够轻松穿透盾牌和盔甲。它被用于砸在敌人的两眼之间无情的粉碎敌人。

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'it's a very clean cut,' said the Rat, examining it again attentively. 'That was never done by a branch or a stump. Looks as if it was made by a sharp edge of something in metal. Funny!'

“伤口很整齐，”河鼠再一次仔细检查他的腿。“绝不会是树枝或树桩划破的。看起来倒像是被什么锋利的金属家伙划的。怪事！”

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There were also complaints that some users had experienced injuries after the fabric wore away to reveal a sharp metal edge.

BBC: Apple smart watch efforts confirmed by US patent

Flip them and brown the other side (if they stick, loosen them with the edge of a sharp metal spatula).

NPR: Recipes: 'The Herbal Kitchen'