| 摘要 |
<p>A recreational and sports appliance consists of a length of rubber band with a suction cup at each end. Each of these suction cups is applied to the forehead of one of the two game partners. A pair of feathers is slideably attached by a nylon loop to the rubber band and the two partners have to move the feathers, by blowing as hard as they can, away from them. This is a useful therapeutic exercise in case of shallow breathing and represents a novel game.</p> |
