| 摘要 |
<p>A bat has a grip portion (10) and an elongate, rotationally symmetric playing surface (12). The playing surface continuously increases in diameter towards its outer end (16), and the outer end is the widest part of the bat. The surface can be covered with a friction-enhancing material (18). The bat can be used, together with a conventional soccer ball, as a soccer practice aid.</p> |
