The Cork Pops is the modern way to open vintage wine. First of all, it's not a corkscrew; tere's no pulling, no tugging, no twisting; in fact there's no screw. The Cork Pops cleverly uses inert gas to push the cork out of any wine bottle. Here's how it works: Simply insert the Cork Pops' stainless-steel needle through the cork, and push the top of the cartridge. A precise amount of the inert gas enters the wine bottle, gently lifting the cork with a soft "pop" sound! It's easy, and it's fun. The Cork Pops is not some fly-by-night gizmo. It's been around for years and has opened countless thousands of bottles of wine, quickly and effortlessly. The gas used has absolutely no impact on the the taste of the wine. One cartridge is included with each Cork Pops, good for opening 80-100 bottles of wine.