#2
It's just hitting multiple high strings and sliding rapidly down the neck. It's really simple, just give it a shot.
Ibanez PGM301
Ibanez GRG170DX
Fender Telecaster MiJ - 1986
Swing T-Through

Ibanez TS9DX
Sovtek Small Stone - c.1985
EHX Big Muff
Kimbara Wah - c.1974
Boss GE-7

Orange Rocker 30 Combo

http://www.myspace.com/paythelay