This thread should be titled "Security Guards Live Out Roadhouse Fantasy".
When you factor in the timing and the fact that it seems pretty apparent in some of the footage that Andy wasn't going for his neck I would venture to guess that the dudes babysitting the stage just got overzealous.
Little known fact: Security Guards/Bouncers account for 83% of the global penis enlargement paraphernalia market and are the second largest consumers of homosexual pornography. The highest consuming being homosexual men. Not saying there is anything wrong with that.