Records set at Slackline World Cup

      |The world's best slackliners descended on Las Vegas to show off their skills at the annual World Cup Finals. Slacklining is a new sport where competitors walk across a rope and do tricks to rack up points. The No. 1-ranked competitor was 16-year-old Alex Mason, who says the sport is growing very fast and hopes to see it in the X Games or even the Olympics.

      Related Videos