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
T-Rex Gristle King : Amazon.ca: Musical Instruments, Stage & Studio
T-Rex Gristle King : Amazon.ca: Musical Instruments, Stage & Studio
TC Jauernig Gristle King Dual Overdrive * 2021 Orange * Mint * G. Koch Endorsed | Reverb
T. Jauernig Electronics Gristle King Overdrive > Effects | Replay Guitar Exchange
T-Rex Gristle King Demo - The Perfect Guitar - YouTube
T-Rex Gristle King Boost 2012 | Reverb
T-Rex Engineering Gristle King Guitar Effects Pedal | Musician's Friend
T-Rex Gristle King: with Tele and SG - YouTube
Gristle King Pedal by T Jauernig for Greg Koch - Overdrive / Boost - 2023 USA | Reverb