This is mostly for self edification, and for easier sharing to guild guinea pigs. (The innards are retardedly sloppy at the moment) Basic principle - Stay simple. Resize and move the default main bar. It also resizes the VehicleUI. You can scale the MAIN action bar using /squish eg: /squish 0.5 Will shrink your bar to half it's original size. Locking and Unlocking requires an LDB display at the moment.