learn how to do a 50-50

Once you get some what good at rail tricks you can try to perform a 50-50.Make sure that before you try one that you can well ollie over the rail.First, aproach the rail at a 30 dergree angle or less(even straight on).Ollie,and get both of your trucks tight against the rail or ledge.Bend your knees slightly as you slide on the rail.When you near the end,lean back a little and ride off of the rail like riding off a ledge or curb.Make sure that you have enough speed so you don't stall out and hurt yourself.