This is a great documentary on the wah pedal, with a lot of interviews to guitar giants for all the guitar geeks out there! Enjoy!
Cry Baby: the Pedal that Rocks the World from Desarraigo on Vimeo.
Cry Baby: The Pedal That Rocks The World from Joey Tosi on Vimeo.
Suggested reading:
Guitar Effects Pedals: The Practical Handbook
