| 摘要 |
A combination assembly includes a string and an adjusting and fastening device. The adjusting and fastening device is a hollow cube. The cube includes two lateral holes and a bottom formed respectively at two lateral sides thereof and a bottom side thereof for communication with inside space thereof and outside. The string is inserted through the lateral and bottom holes to be combined with the cube, having two ends exposed outside the bottom hole. While applied to a shoelace or a chinstrap or other condition requiring tightening/loosening, the combination assembly are good at length adjustment, fixture, and appearance of the string as well as convenient operation thereof.
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