How the Cry Baby wah pedal changed electric guitar – and why it’s still (kinda) underrated

Popularized by Hendrix and Clapton, resplendent on some of guitar's greatest tracks, the wah pedal might divide opinion, but ...
MusicRadar

Wah pedals: what you need to know

Change tone in an instant, make your guitar sound as if it's crying, and funk up those rhythm sounds - welcome to the wonderful world of wah-wah. What does a wah pedal do? In basic terms, it changes ...
Yahoo

How the wah pedal changed electric guitar – but was originally intended for the trumpet

In late October 1965, Vox designer Dick Denney visited the Thomas Organ Company, who distributed Vox in the US, to advise on the design of a new line of US manufactured solid-state amplifiers. One of ...