T-Rex Engineering Gristle King Guitar Effects Pedal - Walmart.com
STOMP BOX STEALS: OVERDRIVE- TONE CITY Lil Heat OD ....a Boss OD-1 ? ...Similar
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 Pedal
Fishman Fluence Greg Koch Gristle-Tone Telecaster Set - Incognito Guitars