Weck jar secured by steel tension clips which can be removed once a vacuum seal has formed. During storage the vertical position of the rubber seal's external tongue indicates the status of the sealing. Weck products are still produced and are available from German hardware and online stores. Used equipment is frequently sold on online auction sites and in opportunity shops. Weck jar A Weck jar is a molded glass jar used in canning to preserve food. It is popularly used for jam preservation, for its minimal look and foolproof rubber gasket with a glass lid. Weck jars were created by the
Beef on weck "BW3", the third W referring to weck. Some still refer to the company with the extra "W" in its abbreviation. The chain now serves an updated version of the beef on weck called the Thirty-Fifth Weck Sandwich. "The Daily Meal" reviewed the beef on weck as a "roast beef sandwich that dreams are made of" in their article "12 Life-Changing Sandwiches You've Never Heard Of". Beef on weck A beef on weck is a sandwich found primarily in Western New York State, particularly in the city of Buffalo. It is made with roast beef on a kummelweck roll. The meat