| 摘要 |
PROBLEM TO BE SOLVED: To provide a loop chain excellent in design wherein a light-associated member is freely mounted and demounted to and from a loop and is hard to come off. SOLUTION: Engagement tabs 3a, 3b or the like are mounted on the loop 3 and a locking adaptor 10 or 15 provided with the light-associated member is fittingly attached to the engagement tabs 3a, 3b.
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