KIRK HAMMETT says it's his MAGIC WAH PEDAL and it's NOT his signature model! (do I need one?)
10:08
Kirk Hammett's Wah-Wah Obsession 
12:26
Brutally Honest Gear Reviews! #4: KIRK HAMMETT White Zombie LTD Guitar
14:11
Wah Pedal Tips & Tricks!
17:54
What Amateurs Don't Understand About Guitar Tone
27:26
The Pedals You Need for Shredding, Riffing, and Fast Playing, w/ Josh and Paul Gilbert
6:58
This is why the WAH PEDAL is awesome!
19:08
Metallica: A Look at James & Kirk's Guitar Rigs
19:26