Showing posts with label zipper. Show all posts
Showing posts with label zipper. Show all posts

Friday, June 24, 2011

Fact of the Day: Yoshida Kōgyō Kabushikigaisha


Ever wonder why your zipper had "YKK" on it? It's because the Japanese company Yoshida Kōgyō Kabushikigaisha is the main producer of zippers in the world.