TaylorMade Qi4D LS DriverTaylorMade Qi4D LS Driver The Qi4D LS is the fastest, lowest spinning head in the lineup. The reengineered head profile is designed to reduce drag and allows you to maximize clubhead speed for increased distance. The traditional head shape appeals to better players looking to capitalize on playability. Benefits & Features: Shaped for Speed Extensive Tour feedback and computational fluid dynamics analysis were used in the development of the ultra