Home / Series / How Do They Do It? / Aired Order / Season 15 / Episode 17

Freshwater Pearls, Knives, Hippo Roller

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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  • Originally Aired January 6, 2019
  • Created August 25, 2021 by
    b6106401
  • Modified July 12, 2022 by
    Changnoi