How-To Alley-Oop 50-50 With Jerry Gurney - Trick-a-Day Learn a new trick each and every day from top pros. You'll get step-by-step instructions on how to master every trick in skateboarding! Tune in seven days a week to learn something new. Today Jerry Gurney shows you how to do Alley-Oop 50-50s. Subscribe to Ride: www.youtube.com facebook.com twitter.com instagram @ridechannel