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
ARCHIVED Used > Effects | Replay Guitar Exchange
T-Rex Gristle King V.1 Drive and Boost Pedal Rare Find | eBay
Used T Jauernig Gristle King Effect Pedal | Musician's Friend
Gristle King Pedal
Used T JAUERNIG GRISTLE KING GREG KOCH Effect Pedal | Musician's Friend
T-rex GRISTLE KING [SJ029](中古)【楽器検索デジマート】
T-Rex Gristle King Overdrive - YouTube
T. Jauernig Gristle King Overdrive Effect Pedal - Used
T-REX GRISTLE KING OVERDRIVE + BOOST | Guitar pedals
FOUR ON THE FLOOR - MYTHOS PEDALS - THE GUITAR KNOBS PODCAST