Zero Friction T System Bamboo 3-Prong Golf Tees The ZFT System combines the technology of the 3-prong patented ZFTour with an innovative striping system. The stripes allow for individuals to place their golf tee at the same height every time, optimizing performance. Every package comes with a bonus Zero Friction item. Place one prong at the target for optimum performance. Available in composite and bamboo finishes.