Hacker News
- YKK: Japan’s Zipper King [video] https://www.youtube.com/watch?v=9d6eNmtHFQk 53 comments
- YKK zippers: Why so many designers use them (2012) https://slate.com/business/2012/04/ykk-zippers-why-so-many-designers-use-them.html 157 comments
- Why Do So Many Zippers Say YKK? (2012) http://www.slate.com/articles/business/branded/2012/04/ykk_zippers_why_so_many_designers_use_them_.html 60 comments
- Why YKK? The Japanese company behind the world’s best zippers http://www.slate.com/articles/business/branded/2012/04/ykk_zippers_why_so_many_designers_use_them_.html 57 comments
- TIL that YKK, the world's largest zipper manufacturer, was fined 150 million euros in 2007 for running a worldwide price fixing cartel. http://en.wikipedia.org/wiki/ykk_group#price_fixing 3 comments reddit.com
- Has anyone else ever wondered about the "YKK" lettering often on zippers? http://www.todayifoundout.com/index.php/2010/01/why-zippers-have-ykk-on-them/ 16 comments reddit.com
- What does YKK mean on zippers? http://www.straightdope.com/columns/read/1039/what-does-ykk-mean-on-zippers 3 comments reddit.com