(adsbygoogle = window.adsbygoogle || []).push({}); Found this on another site reporting a variant of the old rail glitch now works.

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[ame=https://www.youtube.com/watch?v=JCMF9y9p-3s&feature=player_embedded]YouTube - New Black Ops Zombies Glitch After Patch On Railing[/ame]

its been posted and patched so your a little late bud