| 摘要 |
<p>The exercise device has a head band (1) which fits round the head, and at least one or more traction bands or belts (2) which extend away from the head band and are to be gripped and pulled taut. The traction bands and/or head band are made from elastic material such as latex or neoprene. the ends of the traction bands have loops or handles.</p> |
