| 摘要 |
<p>A metal string is guided with both ends through a tube (1) of a small diameter, forming a loop at the lower end of the tube (1), and secured with a headless screw inserted into a radial bore (5). The upper ends of the string are protected with cylindrical caps (6). One of the bows of a pair of glasses can be inserted into the loop and the device can be attached to a garment with a needle (4), a clip, or any other suitable mechanism.</p> |
