0:15
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Coarse Professional Knife Sharpener, Medium Distant, Up motion, Brisk and Uncertain
0:02
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Scraping knife sharpener back and forth across wood
0:17
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Scraping knife sharpener along wood, long and constant
0:24
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Coarse Professional Knife Sharpener, Up motion, Steady
0:19
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Coarse Professional Knife Sharpener Back and Forth Fast
0:10
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Sharpen Knife with Rod Sharpener, Fast
0:05
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Sharpening a broken pencil with an electric sharpener
0:02
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Dragging knife sharpener back and forth across wood
0:01
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Scraping knife sharpener across compressed wood
0:02
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Scraping a knife sharpener hard and slow on wood