I actually incorporated it into my Forgehub 1v1 Competition Submission >> http://www.forgehub.com/maps/autumn.459/ --- Double Post Merged, May 6, 2015 --- Something I'd been keeping a secret (Found it trying to use objects in different ways), look at my earlier reply for when it was used!
You joined in 2012, but you're considered a new member. Wut? We have elevators, we have timers, and now we have ghost ledges. Every new post in ForgeHub is a gift to the Halo community. (Does this trick only work with Barricades?)