We’ve all been there, right? “Oh, I just need to find a stud to hang a picture.” And 15 holes later, you’re convinced the wall is held up by pixie dust and a wish, because apparently there ...

Surprise: One of them is not the knock test. Mounting a television or hanging art is often never as simple as just haphazardly pounding a screw into any old wall—to make sure your wall piece is ...