Season Finale Sneak Peek: Reinventing the Wheel
David Patrick and Zack Fleishman of Shark Wheel claim they've reinvented the wheel -- seriously. They say their version rolls faster with more grip. The company gets a few offers from the Sharks, but when new information comes to light, Daymond John pulls his offer off the table. Find out why in this scene from the Shark Tank season finale.

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