I know people are pointing out the existing easy solutions, but I'm really quite taken by the idea just for the 'Oh gosh, yeah! so simple' moment I had when I s

I know people are pointing out the existing easy solutions, but I'm really quite taken by the idea just for the 'Oh gosh, yeah! so simple' moment I had when I saw it. If I could buy a bag of these I'd happily sew one on to all my shirts in preference to a clippy thing on the cable of which I've used several and kept none. Although buttons do have very rounded corners.....