CORKSCREW Using range:This product can pull soft corks from bottles, and the balls can be distended becauseof air pressure.Ways of usage:1.Carry down the plastic cover, press the steel needle vertically, and then insertit in a soft screw.2.Push the handle carefully four or five times, the soft screw can bounce out becauseof air pressure.3.Carry down the soft screw from the steel needle, and then ...