Six ways to open wine bottles without a corkscrew. Screw, lighter or even an air pump can help.
Keys not only open locks, but also wine bottles. You can also remove corks, especially synthetic ones, from bottles with a sturdy key. Another method that connoisseurs will probably turn up their noses at is pushing the cork into the bottle. Incidentally, wine corks can be popular items, as Volker Kullmann proves. Do not remove the c Cork by hand - otherwise the wine risks flying out.