KINGSO Wine Bottle Opener Air Pressure Pump Corkscrew Tool Insert the needle into the middle of the bottle and make sure the needle has passed through the entire cork, ensure the protective tube on the wine pump. Press the corkscrew to pump air into the bottle by lifting and lowering corkscrews coat, until the cork slide out of the bottle. Push the plastic slider of sleeve to make the cork away from the corkscrews needle. The needle and clippers knife are very for sharp, PLEASE keep the corkscrew out of childrens reach Pakage included: 1PCS x Wine Bottle Opener