Thicker gauge steel makes for sturdier building and gives a heaviness into the cocktail shaker. When many Boston shakers are made of tin for safer shakes, the glass rim on this Kotai shaker is tempered—the rim is heated up and cooled down for sturdy glass that gained’t crack or shatter https://gregoryqngzt.blogadvize.com/45454206/a-secret-weapon-for-shaker-cabinets