How Do They Do It?

Freshwater Pearls, Knives, Hippo Roller

TV-G
S15 • E17    Dec 19, 2017    22m
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?

Where to Watch How Do They Do It? - S15 • E17

 

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