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How Do They Do It?: Season 15

15x17 Freshwater Pearls, Knives, Hippo Roller
TV-G

  • 2019-01-07T03:00:00Z on Discovery
  • 22m
  • United States
  • English
  • Documentary
How do they grow America's only freshwater pearls in Tennessee? How are the world's sharpest knives made, and how do they forge the world's sharpest knives?
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