The good folks at Bigfoot Engineering are giving Guitar Nerds readers the chance to win one of their incredible King Fuzz pedals. Used by the Black Crowes, The Raconteurs and Blur, this yellow box has been has been making some serious waves in the UK and US. Check out Bigfoot's own Rhys Stubbs showing off exactly what the pedal can do:

To win this awesome prize, all you have to do is sign up to the Guitar Nerds mailing list before 9th June 2015. A winner will be picked from the list at random.

Use this handy form to sign up: