You’ve probably seen plenty of videos of people falling off of ladders, and a few photos of people putting ladders on top of other ladders. And we’ll admit, watching dumb people do dumb things is hilarious. But we’d rather you not do it yourself. This video will teach you the basics of ladder safety, and you’ll also learn the 5 worst ways to spend your day. Hint: one of them involves the Backstreet Boys. What exactly do the Backstreet Boys have to do with ladder safety? You’ll going to have to watch the video to find out!