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Primitive Slate Knife

Today I created a primitive slate knife without the use of any tools. You basically take a thin piece of slate and create a razor sharp edge by grinding the slate blade against another piece of slate. The Slate knife was used by stone age primitive peoples who lived around the arctic circle. The process of making the knife took over an hour. But at the end it I had a reasonably effective primitive blade. It was able to cut through food with flying colors. It was able to cut plant fibers without too much trouble. The blade was effective against 550 paracord but I had to cut it a few times. Unlike the Bamboo and Bone knives, this slate knife can be used to carve wood. I carved a small point on a pine branch using this neolithic blade.