Golf's Perfect Imperfections: Responsible Speed Training for Sustainable Personal Bests.
b"It is truly awesome what is happening with Bryson DeChambeau and Kyle Berkshire and more of their young friends who are in shape are joining the bandwagon. But at an all-out slash fest trying to get 160mph ball speed with a 7-iron for a two-hour session would send 90% of us to the hospital. It's safe to say it is not for everyone. To increase your clubhead speed responsibly long term really starts with us."