YKK Presents「FASTENING DAYS」

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YKK Zipper Story Element

In the anime, Yoji and Kei put fantastical zippers to myriad uses. Their nifty tools stretch, shrink and emit light,
performing an astounding array of functions, but some of them are in fact true-to-life features of YKK zippers.
Here we present the original technology and products upon which the zippers in the anime are based.