Related:
YKK zippers: Why so many designers use them (2012) - https://news.ycombinator.com/item?id=32656463 - September 2022 (157 comments)
Why YKK? The Japanese company behind the world’s best zipper - https://news.ycombinator.com/item?id=8655580 - November 2014 - (57 comments)
Why Do So Many Zippers Say YKK? (2012) - https://news.ycombinator.com/item?id=11602988 - April 2016 (60 comments)