It's now time to meet up with Master Zen who'll will teach you some serious trick-pulling skills that'll prove to be invaluable throughout the rest of the game. One of the first tricks you'll learn is the Stall. Find Master Zen by the freeway opening to learn this one. You'll first have to hold a stall for a short time on any 3 rails or ledges in the area. The blue ledges of the buildings nearby are quick and easy picks. Then he'll ask you to stall on the freeway sign, by jumping off the ramp to the right of it and balancing a stall on the sign for 6 seconds. Once you pull this off, you will unlock the freeway as additional skating space.