One way shield doors- horizonal- a couple inches above the floor- blue side up- player speed increased a bit. I'm pretty sure the shield doors will act as if they're ice and you'll slide a bit.
@camo, yeah I tried to use one as scenery on my map. The fact that it tries to pull you through to the other side of the wall keeps you from jumping. If you hit jump your screen just twitches a bit.
So guys, I sent a letter to Monster Energy a few years ago and they gave me some stickers. Now with my highly intelligent and more complex auto correct features I could possibly get super stickers. Do eet?