Thought Ash Williams did it first? Hardly.
Archeologists Find Ancient Warrior with Knife-Hand Prosthesis
Because if you lose an arm/hand, you might as well graft on a blade.
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*I'd like to note as a professional who does excavations and things of this nature. This is merely a hypothesis of what the knife thingy was. It could be just as well that he was buried with a ceremonial knife and was simply handless. But I prefer to think homie was rocking a knife hand in the year 600.
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Reconstruction of said individual in life: