A method for selecting a golf club suitable for a golfer includes the steps of (a) obtaining at least one of head speed and hit-ball data (initial velocity, launch angle, backspin, side spin, and travel distance) when a golfer hits a golf ball with a golf club; (b) obtaining ideal hit-ball data of the...http://www.google.fr/patents/US7273427?utm_source=gb-gplus-shareBrevet US7273427 - Method and system for selecting a golf club