"Down down, baby, down down the roller coaster..." Hip-hop owes a lot of the queens of double dutch. Ethnomusicologist Kyra Gaunt takes us on a tour of the fascinating history of the jump rope.

Small Thing Big Idea, a TED original series, celebrates the lasting genius of everyday objects so perfectly designed that they changed the world around them. Check out more here: https://go.ted.com/STBI

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