Have you ever wondered why some cups have a tiny ridge on the bottom? Or the reason why some backpacks have that odd square patch? We’re here to tell you that both of these details aren’t just an aesthetic choice, they all have a purpose, as do the other 9 hidden features we’ll show and explain to you below. Not only is it fun to find out the purpose of these secret features, but it’s also quite useful!
1. No, the small little drawer right beneath the oven isn't for storing pans, it's actually for keeping freshly-cooked food warm
2. Cups from IKEA often have a ridge at the bottom and it's not a mistake - these ridges ensure that water doesn't collect at the bottom of the cup when you're cleaning it in a dishwasher
7. Ever wonder why some people store peanut butter upside down? Well, this way all the oils collect on the bottom and you don't have to mix it before use
11. Ever wonder if that odd square patch on some backpacks had a purpose? It was actually first developed for hiking backpacks as an attachment through which you could pass a string and attach various equipment. It's called a lash tab.
