Whether one is talking about natural cork, “technical closures” made from cork, screw caps, synthetics or even other alternatives, winemakers have a number of choices to make about sealing their wines. Which closure to use is one of the most important decisions winemakers face but with few clear-cut answers. Each closure choice comes with caveats. Thus the cliché, “There’s no perfect closure.” Cork remains the dominant closure choice, but with additional cho...