You don’t become the greatest surfer of all time without having an acute knowledge of riding the barrel. Kelly Slater has been threading tubes since a majority of the Tour was in diapers, and stacking World Titles in the process. He devotes a good portion of his downtime to the island of Tavarua, where he continuously works on the ability he speaks of in the video above. Now sit back and let the king of backside tuberiding give you a tutorial on how it’s all done. Taking notes is optional, but highly recommended.