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
Greg Koch joins forces with Tone City for the Lil Heat mini overdrive pedal | Guitar World
Fishman Fluence Greg Koch Gristle-Tone – Thomann UK
Greg Koch - My pedal board for the evening... | Facebook
Greg Koch with his JAM pedals multi-pedal - YouTube
NEW Tone City "Lil Heat” Overdrive - Designed by Greg Koch to Give Your Amp a Little MORE Heat! - YouTube