Breakout trident wall glitch

I was playing breakout on trident recently and I discovered that you can shoot through the black walls near the hydra. It is very exploitable and unfair, It is even possible to shoot hydra rockets through it. Here is the video link: http://xboxclips.com/PogShmog/db944872-0b41-435b-a0bf-a6d8267727f4