ABC News' Nightline goes behind the scenes and into the lives of teenage sneakerheads. The kick fanatics collect, trade and admire footwear as a hobby, but sometimes past the point of obsession. "These kids today don't seem like they want the shoe, they want the 'thing' that goes along with having the shoes," says OG sneaker fiend DJ Clark Kent, who has been selling and buying shoes for the last 35 years. "Somebody figured out that there is money in it because of this 'hype'." Watch these teens cash out for sneaks above.