International Correspondence of Corkscrew Addicts - A group with a long history of corkscrew fixations. The International Correspondence of Corkscrew Addicts - Provides information on the oldest corkscrew collectors' club. Just For Openers - Laid back organization, essentially no rules, no officers, everyone just does what is needed and gets on with the real business of the Club, collecting, trading, buying and selling beer cap lifters and openers. Just for Openers collector society home page - If you collect beer advertising openers or corkscrews, this is the web site you have been looking for. Verein Korkenzieherfreunde - Germany's corkscrew collectors' Club.
Business is in German, members are from Germany, Austria and Switzerland.