A modified stretching/flexibility program from golf-fitness pioneer TPI, lifted straight from the
company's website. RALLYING CRY: "Turn more, hit pure" Clubhead speed: +0.6% Ball speed: +7.0% Carry distance: +3.0% (4.7 yards) Accuracy: -29.2% OUR TESTERS SAY: Better contact. This group experienced the biggest increase in ball speed, indicating more centered contact. But the lack of accuracy mandates combining flexibility training with hardcore swing mechanics.