How to use: Use the foil cutter to remove the foil cap.(sold separately) 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 slides out of the bottle.(Normally, 4~7 pumps per bottle is appropriate.) Push the plastic slider sleeve to make the cork away from the corkscrews needle.CAUTION: Don't use this corkscrew for plastic corks and sparkling wines.Please keep the corkscrew out of children's reach, because the needle and clippers knife are very sharp.If the bottle is defective, the time it takes to Pump should not be over 12 pumps per bottle.Pakage includeds: 1 x Air Pump Wine Bottle Opener