Good to know: How to open a can without a can opener

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Luckily, the YouTuber ‘The Crazy Russian Hacker’ has made a very instructive video in which he clearly explains how to open a can without a can opener. How to do it? You’ll need a rough but flat surface like concrete or a sidewalk. Turn the can upside down and rub it across the surface quickly. Then turn it around and press the can from both sides. If you did it correctly, the lid will pop right off. If not, try rubbing it again. You never know when you need this trick to save your (or your cat’s) life.