H/T Mental Floss.
This is a useful hack to know if you do not have and need a can opener.
I was given a P-38 can opener fifty years ago that I still carry.
Maybe your can opener is broken, lost, or buried in a moving box. Maybe your hotel room or vacation rental simply doesn’t have one. Whatever the case, you might find yourself eager to tuck into a can of baked beans, only to find that you have no way of actually breaching its thin metal lid.
But, as Country Living explains, the lid is much flimsier than most of the other metal utensils in your kitchen. And while you may be inclined to reach for the biggest, sharpest one—say, a butcher’s knife— to open the can, you can actually get the job done without stabbing it like a murderer in a hokey horror film
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