WHICH CLUB IS RIGHT FOR YOU? HIT THEM ALL. The TaylorMade Tuned Performance Cart allows golfers to test hundreds of technology combinations. Originally developed by TaylorMade's R&D department for rapidly attaching driver and iron heads to demo shafts, Tuned Performance Technicians have more than (186) metalwood and shaft combinations, and more than (258) iron combinations available for you to demo. They can instantly change out components during your fitting to find the right combination to maximize your performance.