Sometimes, after we’ve been using something for many years, we find out that it has some other useful features. For example, a hole in the center of a spaghetti spoon exists not only to strain water but also to measure a portion of spaghetti. That hole fits exactly one serving.

From your coffee lid and a donut to black dots on car windows to the escalator grooves, there are many overlooked particulars about things surrounding you that actually serve a useful purpose you had no idea about. Get ready to discover the secrets of things and their decorative details that can actually be very useful! Learn more about your ad choices. Visit megaphone.fm/adchoices