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