Conversation so far:
What was special about Tom Morello's technique?
Tom Morello has a unique and creative guitar playing approach, with a lot of feedback noise, non-conventional picking and tapping and heavy use of guitar effects.
How did Tom Morello learn his method for guitar sound effects?
Tom Morello has a unique and creative guitar playing approach, with a lot of feedback noise, non-conventional picking and tapping and heavy use of guitar effects. took an unconventional approach to playing the guitar saying I didn't want to just run on the same treadmill as them, I wanted to build a whole new gym!’
Did Tom Morello always use his guitar effects technique?
Tom Morello became famous for his unique use of pedals for effects and his technique.

Question: What else does he use in practice?
Self-contained rewrite: What else does Tom Morello use in practice of his guitar techniques besides the pedals?