Hear how and when Mark and Kim met. Then take a deep dive into the world of golf shaft manufacturing! Touching on: * Hickory, Steel, and Graphite shaft production.  * The original steel shaft companies and their production techniques.  * Factors in shaft production that affect flex and feel.  * What Kim and his father did to revolutionize the steel shaft industry.  * How FM matching helped (and still helps) club fitting.  * Shaft quality, durability, and imperfections.  * SST PURE and its use.