Bob Sled, Backflip and Swegway
S6 E2 June 11, 2018
Source:
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Overview
What is the science behind bob sledding, why a standing back flip can hurt you and ways you can humiliate yourself on a Swegway.
What is the science behind bob sledding, why a standing back flip can hurt you and ways you can humiliate yourself on a Swegway.