Canned fish pull ring broken can be opened in this way: using the principle of nails, first use, for example, a key like an object with a sharp side against the can, and then use another heavy object to knock, so that it can be easily broken open a mouth, and then cut with scissors can be.

Canning is a method of packaging food, which can be canned beverages, including canned sodas, coffee, fruit juices, iced milk teas, and beer. It can also be canned food, including luncheon meat, with a tinplate packaging material. The can opening part follows the can opener, or there are imitation can technology. The packaging material used is aluminum alloy, and most of today's can opening methods are easy to use.