Thicker gauge steel tends to make for sturdier design and provides a heaviness on the cocktail shaker. Although quite a few 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 strong glass that https://louisifyib.bloggerchest.com/37401195/shaker-cabinets-can-be-fun-for-anyone