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How Do They Do It? Season 15 Episode 17 Freshwater Pearls, Knives, Hippo Roller 2017

7.4/10 by 35 users

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?

  • Released: 2017-12-19
  • Runtime: 22 minutes
  • Genre: Documentary
  • Stars:
  • Director:

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