The Invention of the 540 - Kevin Staab with Mike McGill - VHS VAULT (Part 2 of 2) Kevin Staab and Mike McGill look at Mike's early days and talk about the day Mike invented the 540. '80s professional skateboarder Kevin Staab and a weekly guest dust off the old VHS tapes to share some never-before-seen skateboarding footage. Subscribe to Ride: www.youtube.com facebook.com twitter.com instagram @ridechannel