What’s the Hole in a Safety Pin For?

you’re now one of the 2% of humans who know what the hole in a safety pin is for. To recap:

It’s a crucial section of the spring mechanism.

It allows for tension and snap-back.

It is a touchstone during the manufacturing process.

It may even have some useful DIY applications if you’re crafty.

So next time you employ a safety pin — whether you’re mending a wardrobe malfunction or fastening it onto your punk jacket — thank that humble hole. It’s doing more than you knew it could.

And who knows, you might just gamify your chance of winning a random