Rock to Fakie - The front truck is placed over the lip of the ramp and then the deck is "rocked" on the coping before coming back down fakie.
This is a basic trick that will let you change directions at the top of the ramp. You will be letting your wheels roll over the top of the coping Then stalling on your deck on the coping. Then lift up your wheels and roll back into the ramp. Being careful not to get caught on the coping is the key to this trick. Get your wheels up. Rolling in fakie will also be a challenge.
Too keep from hanging your truck up on the coping and smashing yourself you need to get the setup tricks down good.
You can pull this trick by letting the top wheels drag along the ramp and then roll of the coping and back in. This is bad style but if it helps you get the feel for the trick then try it out. Aim for getting those wheels up and out though. It keeps your speed and feel much better.
Practice fakies, rolling up and doing little manuals at the top of the coping. Letting your wheels leave the ramps before you stop rolling. Lift the front wheels and slam them back down when you start rolling back. This will help you get the feel and sight of bringing the wheels back in after the stall.