Unlike traditional can openers, you can use an electric model with one hand tied behind your back. With most, you just push down a lever to get it started. Once the can is completely open, depending on the model, the device will stop on its own, or you just release the lever. Since they’re automatic, electric can openers are particularly useful for those who suffer from arthritis or hand pain, or are unable to use one or both hands. When you have to open multiple cans one after another, your hands will be grateful for the assistance.