Xin Hui China Chronowares 3 In One Wine Cork Opener Knife Multifunction Folding Bottle Opener Premium quality Wine Bottle Opener / Corkscrew - Sommelier knife style. This is 100% metal, Teflon Coated device which is a must-have for everyone who likes their Vino. It's a foldable compact unit, which has a small knife (to cut through the seal or cork wrapper), Corkscrew (to screw in the cork and pull it out) and a handy Soda Bottle opener. This will last you for long and you'll love it. Google or YouTube for some neat content on how to use this as a pro!