Why Do Zippers Have Initials Ykk on Them?
Why Do Zippers Have Initials Ykk on Them? The initials YKK stand for Yoshida Kōgyō Kabushiki gaisha (Yoshida Manufacturing Corporation), which was the name of the...
Read MoreWhy Do Zippers Have Initials Ykk on Them? The initials YKK stand for Yoshida Kōgyō Kabushiki gaisha (Yoshida Manufacturing Corporation), which was the name of the...
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