OSP 90! This week Mark Green from Cars Yeah joins me at the Opti booth. This guys is always a great interview, it's his job! Then I am joined by another really interesting old school, long time detailing teacher Ed Terwilliger  who teaches detailing classes at Cypress College. These 2 are mega powerhouses! Headphones in buffers engaged, and go! This is the auto detailing podcast, that gives you the , ammo, to be obsessed in the garage!