pretty useless, was shown in my vid last 3 seconds, you just fall forever and eventually the game will freeze. [ame="
https://www.youtube.com/watch?v=d1htn8uWQUo"]YouTube - TUTORIAL: Call of Duty 5 Glitches -- 3 Shi No Numa Barriers + 3rd Person MULTIPLAYER + MORE!!![/ame]
if you wanto do it, have the host use a lag switch and flip it for 10 seconds when in game, and all the non hosts will get bounced outside the map.
It also happens sometimes when you are doing the zipline barrier and a zombie hits you off the railing.