Double Hinged Wine Key & Bottle Opener - Silver Handle by Ink Correct Bar Tools and Gear. $9.99. Any professional bartender knows the value of a quality double hinged wine key. This finely constructed, sleek, stainless steel piece features a durable extraction coil, a serrated miniature blade, and doubles as a standard beer or soda bottle opener when in its closed position! If you want the best tool for the job, this is your answer.