| 摘要 |
A slip proof device for a necktie having a zipper thereon has a slide mounted on a bracket supporting a knot of the necktie. A controlling member is mounted onto the slide and extends a restricting hook having a sharp point through the slide. Thereby, the sharp point is able to extend into a gap defined between teeth of the zipper to secure the slide to the zipper and prevents the knot from slipping loose. Furthermore, the sharp point is able to withdraw from the gap to allow free adjustment of the slide with respect to the zipper.
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