ATEC Brush Tee/Adaptor...Must-Have Accessories! ATEC Brush Tee/Adaptor for Batting Tees feature: Reduced resistance results in accurate ball flight for training More realistic ball flight, feel and feedback More enjoyable and effective training For both baseball and softball Adaptor fits most tube-style tees The amazing thing about using the Brush Tee is that you don"t clip the top of the tee and you can really feel how you"re hitting the ball. That makes it much easier to correct problems with your swing. -Matt Murton, Chicago Cubs ATEC...Athletic Training Equipment Company!