This episode of the Mastering Rod Building features an interview with John Cates, the Director of Operations at Flex Coat. John discusses the history of Flex Coat and how it started making rod building supplies. He talks about some of Flex Coat's most popular products, like their thread coatings, epoxies, and rod wrapping equipment. John also shares stories about how he got involved with Flex Coat and working with the founder Roger Seiders. The interview covers new products from Flex Coat like their DC motors that are more versatile for wrapping and finishing. John offers advice for using Flex Coat's self-adjusting chucks and explains how to easily align rods. He highlights Flex Coat's commitment to customer service and helping any rod builder with problems.