A jigger is, essentially, a miniature measuring cup that can help you nail the ratios of spirits and mixers. Once we tested them, our favourite was in fact a miniature measuring cup from OXO. But for a far more regular jigger, You cannot conquer this one particular from Piña Barware. https://johnnyrokmf.therainblog.com/36117229/5-simple-statements-about-shaker-cabinets-explained