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Originally Posted by Drew  Um, Vai mostly does it by flicking the bar, too. I'm sure, considering the amount of other overtones that would generate, that's just a bit of live showmanship on his part.  |
It works for me and I've seen several other people do it too.
In physical terms there is no way he could keep the gargle going in the Blue Powder outro without that. He does it in a few other songs too including on the Whitesnake album he played on. I've mostly seen him do any significant gargles on the body of the guitar.