Shafts are created to give consistency to your game. Getting your shaft custom tailored such as Tour AD UB Shaft to your swing mechanics increases your chances of striking the club's middle face. Allowing you to have an exceptional launch on the course.  https://www.youtube.com/embed/IGqIJKChug8 With that in mind, you probably had an idea of how important choosing an ideal shaft is. However, it is not as easy as choosing the proper flex. It's critical