The proportion of ingredient will be the main point to influence whole cocktail. In early time the jigger not been invented, bartender used the measured cup to know how much they pour. Now, Jigger is a necessary bar tool for making a cocktail. Bonzer is the UK brand has a long history to manufacture this special thimble measure.Bonzer Thimble measures are constructed of the highest quality stainless steel to ensure they last and look premium in front of customers. 20% thicker than ordinary thimbles.