That is a divebomb my friend, see Dimebag Darrell for more on this.
There are lots of awesome examples in heavy metal, to name a few Children of Bodom, Machine Head, Slayer . Lots of examples of how to on Youtube
Pantera and Dimebag are the pioneers of it really, they use it the most.
yay found it - my favourite use of it is the intro of this
http://www.youtube.com/watch?v=hjZXUyvFQDAYou hear it at 0.12 xD
This post was edited by bob(Cs2) on Jun 5 2012 08:16am