It isn't too often you need to open a can and don't have a can opener handy. However, September is National Preparedness Month and in an emergency situation you may need to know how to open a can without a can opener.
This video will show you how simple it is if you just know what to do.
Although this guy uses his knife to help pry the lid off, a spoon or another study utensil or object would do the trick as well.
Thank you Lifehackers for this video!