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How Do They Do It? (2006)

S09E11 Leather Footballs, Mussels

Sep 13, 2012 • Season 9 • Episode 11 • HD

What’s the process behind making footballs for the National Football League? How are mussels cultivated? What goes into designing the perfect helmet for a fighter pilot?

Genre: Documentary
Country: CA, US, GB
How Do They Do It? S09E11
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