The Flap on Juices Boxes
There’s a reason why the flaps on top of juice boxes are so bulky. They’re designed to hold outward so that a small child can hang on to their juice. So next time you complain about the bulky flaps, be grateful you’re not cleaning up another spill.
A Padlock’s Holes
The hole at the bottom of padlocks isn’t a factory defect. It was designed to make it easier for someone to inject oil into it to lubricate the inside of the lock’s inner workings. The hole also lets water drain if it’s being used outside or if it’s in a humid environment.
