Please meet the Coravin, a $300 wine opener that is praised both as “revolutionary” and derided as “superfluous” amongst the wine drinking set. Buzzfeed digs deeper to explore the many perspectives on the gadget that “does a seemingly impossible thing” and allows wine extraction from a bottle without ever opening it. A needle is inserted through the cork, siphons out wine, and fills the space in the bottle with argon gas, preserving the liquid indefinitely.