that means it's not being worn effectively. You need a good seal on all sides. if air is escaping out the sides, you're not filtering anything. I get it's a joke, but proper information is important rn. If all you can get is a cloth mask, if you can manage to insert something pliable like a wire or even a few twist ties thru the top border of the mask so it can form around the bridge of your nose, you'll be helping yourself immensely