Gristle King V.3 by T. Jauernig Overdrive Demo with Les Paul - YouTube
T Jauernig Gristle King V3 (Greg Koch Signed) | Reverb
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
Gristle King - Greg Koch Signature OD & Boost Pedal - GuitarTalk Community
My Dad Lived to Be 95, So I'm Just Getting Started”: Greg Koch Talks Making Music in His 50s | GuitarPlayer
Dipped in Gristle with Greg Koch - Premier Guitar
T-Rex Engineering Gristle King Guitar Effects Pedal - Walmart.com