Description Easy to use Cut the foil cap with the included foil cutter,insert the stainless steel needle vertically into the cap to expose the needle tip air hole,pull the handle up and down and force air into the bottle until the cork is slowly pushed out Then remove the cork from the stainless steel needle. You can easily remove the cork, in just 7 seconds you can taste the wine you like. Safe and reliable In order to ensure the safety of use and to prevent the wine bottle from bursting due to the high air pressure in the bottle, this product is equipped with an air pressure device of security. If the air pressure exceeds the safe level, the pressure cannot continue (do not use any other method to increase the pressure further as this may cause the cylinder to burst). The cork is not damaged The needle tube penetrates the cork, leaving only small pinholes, does not damage the cork, and does not produce sawdust in the wine, thus avoiding contamination of the wine and affecting the taste and original taste of wine. Reliable after-sales service We enjoy providing high quality products and services. If there is any problem with our corkscrew during use, please do not hesitate to contact us. We will do our best to resolve these issues and issue a 30-day refund.