This can opener is a must-have kitchen tool for any home. It is designed to easily open cans of all sizes with minimal effort. It features a sharp blade that quickly and safely cuts through the lid of the can, and a comfortable handle that provides a secure grip. It is
From Wikipedia
A can opener or tin opener 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 openers were basically variations of a knife, though the 1855 design continues to be produced.