What is it?

For me, Kyuss had it nailed on. It's absolutely perfect. Demon Cleaner, One Inch Man, Gardenia, Green Machine are all exercises in how to set up your equipment par excellence.

Witness :
http://uk.youtube.com/watch?v=2pMfqZGg-FA&feature=related

(WARNING: Contains Nic Olivieri with hair, and Josh Homme with some very odd looking blonde curtains. )