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  2. How to Open a Can Without a Can Opener - AOL

    www.aol.com/lifestyle/open-without-opener...

    The post How to Open a Can Without a Can Opener appeared first on Reader's Digest. ... Metal cans can develop sharp edges when you try to pry them open, and if you aren’t careful, you could get ...

  3. The 3 Easiest (and Safest) Ways to Open a Can Without a Can ...

    www.aol.com/lifestyle/3-easiest-safest-ways-open...

    Here's how to open a can with a knife or even a spoon and some brute force. And if you happen to be out camping and don't even have that, a rock will suffice.

  4. Yes, you can open a can without a can opener — here's how - AOL

    www.aol.com/news/open-without-opener-150522177.html

    That way, you can open the cans easily without ever needing to use a can opener or one of these savvy solutions. Of course, if you’re trying to open an old-fashioned can that doesn’t have a ...

  5. Can opener - Wikipedia

    en.wikipedia.org/wiki/Can_opener

    A can opener (North American and Australian English) or tin opener (British English) is a mechanical device used to open metal tin cans. Although preservation of food using tin cans had been practiced since at least 1772 in the Netherlands, the first can openers were not patented until 1855 in England and 1858 in the United States. These early ...

  6. Ermal C. Fraze - Wikipedia

    en.wikipedia.org/wiki/Ermal_C._Fraze

    Fraze decided to create an improved beverage opening method that would eliminate the need for a separate device, leading to his creation of the pull-tab opener. His first design included a lever that pierced a hole in the top of the can, but this caused a safety hazard as it produced sharp edges that could cut the user's finger.

  7. Drink can - Wikipedia

    en.wikipedia.org/wiki/Drink_can

    The consumer would open the can by depressing both buttons, which would result in two holes. The small hole would act as a vent to relieve internal pressure so the larger button could then be pressed down to create the hole used for consuming the drink. Consumers could also easily cut themselves on the edges of the holes or get their fingers stuck.