ESOTERIC Vendor Series – Grit Guard Jul 11, 2018 | Detailing, Detailing Products, News Updates, VideosIn this video from our Open House series, we interview Doug Lamb, inventor of the Grit Guard. To purchase Grit Guard visit https://www.esotericcarcare.com/brands/Grit-Guard.html View the video: Subscribe to ESOTERIC on YouTube:...