Thicker gauge metal would make for sturdier design and gives a heaviness for the cocktail shaker. Even though 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 https://shakercabinets46141.free-blogz.com/84568049/detailed-notes-on-shaker-cabinets