Here comes bear meow. Wine cannon is not wine. Wine cannons are also a kind of wine utensils, which are generally used to hold beer or other drinks. Simply speaking, it is a wine storage container with large capacity and special shape, which generally includes wine cans, wine heads, upper and lower wine racks and bases. Because it is most commonly used to store beer, it is called "beer machine" in some places, which is common in KTV, nightclubs, bars and private clubs.