Amazon.com: Glass Bottle Cutter, Fixm Bottle Cutter Upgraded Version, Round, Square Bottles and Bottlenecks, Suitable for Bottles of Wine, Beer, Whisky, Champagne, Water and Soda(Black)
How to Cut a Wine Bottle — KnowWines
How to Make a Glass Bottle Cutter - DIY Wine Bottle Cutting Tool! : 7 Steps (with Pictures) - Instructables