"Karman" The Mixing TinSoy Karman Professional Copper Mixing Tin A mixing tin, for many is a better alternative than a mixing glass, as, since made entirely by hand from Solid Copper and Silver, will never break and looks amazing. But the definitive advantage of the Karman Copper Silver Mixing Tin is that it reaches the ideal 2C more than 1 minutes and 50 seconds faster than a glass crystal counterpart. These numbers are the results of controlled environment testings by the