Corkscrew serves for opening bottles. Classic Corkscrew is a steel spiral on a T-shaped handle. Advantages is its cheapness and reliability shortcomings - the possibility crooked screw corkscrew into the cork and the risk of injury at work. Wine bottle opener has a more complex device - it spiral screw drive is connected to the levers that move upward spiral until screwed into the cork. Wine corkscrew expensive, but it ensures easy and safe opening of the tube.