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绳头扣是一种能将绳子或橡皮筋末端整理得整齐美观，并防止其散口的服装辅料。在绳头细节上精益求精，不仅能提升产品的整体完成度，也是重要的设计点缀。其主要作用是防止绳子散口，与调节扣不同，它不具备调节长度的功能。
