Mutual Harmony Logo 2018 Mutual Harmony Logo 2018 from Thomas Heaton Mutual Harmony Logo 2018 Logo design for a Koehler Method Obedience Dog Trainer. gLike Mutual Harmony Logo 2018 Logo design for a Koehler Method Obedience Dog Trainer. Advertising Graphic Design Illustration Illustrator Photoshop Non-Profit Share R 7 n Available Freelance, Full-time, Moonlighting Thomas Heaton | Experienced Designer | Wood Dale, IL Follow Contact