09.16.09: Review of the Swamp Thang and Mastortion by the fine folks at Premierguitar.com

03.25.09: The NEW and improved Swamp Thang is here, see products page for the new look!

07.17.08: Coming soon: The NEW and improved Swamp Thang!

11.01.2006: Welcome pedalgeek.com to the dealer lineup. Also in case you don't read Guitar World, John was given props again by Brent Hinds of Mastodon for the Mastortion, reserve yours now, this thing is going to blow up!!!

05.30.2006: New pedal, introducing the Vibezilla.

05.16.2006: John gets props in the July Guitar World.

04.15.2006: John's latest creation The Mastortion has found it's way onto the tape with Brent Hinds usiing it for Mastodon's cover of Metallica's "Orion". Hear it here.

01.06.2006: Musicgearsource.com interview with John Spears and Larry Rogers here.