T-Rex Engineering Gristle King Guitar Effects Pedal - Walmart.com
Fishman Fluence Greg Koch Signature Series Gristle-Tone P90 Gear Demo - Premier Guitar
Greg Koch - Gristle King Leans...get 'em while they're hot. I've got three ready to ship. My sig overdrive and clean boost device made by Tim Jauernig...go to gregkoch.com and click to
Reverend Greg Koch Signature Gristle 90 Electric Guitar in Venetian Gold - Andertons Music Co.
Used T JAUERNIG GRISTLE KING GREG KOCH Effect Pedal | Musician's Friend