“For decades, the zipper biz was dominated by one company. Japan’s YKK makes half of the world’s zippers—about 7 billion every year. And yet, competition is stiffening. China’s SBS, founded in 1984 and a relative zipper whippersnapper (say that five times fast), is winning over big clients like North Face, Target, and H&M. Let’s pull the zipper down on the industry that keeps us all securely fastened.” Quartz with everything you ever wanted to know about the Zipper Wars.