In this Pro Tips 4U sports training sample video, Brian Aragon, Pro Roller Blader, goes over How to do a Royale. Grinding on a rail is a basic of roller blading, Brian goes over tips on how to get yourself on and off the rail perfectly every time. Brian, shows you proper feet and leg position, how to position the rail on your feet and proper body technique. In addition Brian shows you common mistakes to avoid. For more tips and drills from Brian visit his Pro Tips page at http://bit.ly/q1XLFZ - use the code - aragon - to download a free video tip from Brian!