Device, usually in plastic, with two holes through which a cord is passed. There are different types of cord lock. Sometimes it has a spring which is activated by pressing a button and which opens and closes the hole thus allowing the cord to pass. The cord lock keeps also cord ends from slipping into casing on jackets or bags.
Lewis, 2004
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This page includes 36 types of most popular cord stoppers or cord locks. They come with spring to lock or unlock your cord easily. Made of plactic - ABS, they can have different types of finish to fit your fashion needs.