1) learn how to do ollies, and 180 ollies.
2)Approach the curb, rail, ledge, etc., straight on at a decent speed.
3) Ollie and turn 90 degrees(frontside or backside) at a fair distance away from the object.
4) Land with both trucks on the object, keep you weight centered, and balanced. Might help to lean a bit forward, so you won't fall off your board.
5) Stall
6) When you're ready to come out of the stall, hit your tail, ollie, and turn from 45 to 90 degrees.
7) When you land, bend your knees, and ride away.