| 摘要 |
A baseball training system to teach proper swing technique comprising a first tee adapted to support a baseball and a second tee adapted to support a baseball, a tee support configured to hold the first tee and a second tee vertically and separated from each other by a horizontal distance, d, a rod, and a belt configured to be worn around a user's stomach and to hold the rod in an approximate horizontal position across the front of the user's stomach. |
