A jigger is, in essence, a miniature measuring cup that can help you nail the ratios of spirits and mixers. Once we tested them, our favorite was really a miniature measuring cup from OXO. But for a far more traditional jigger, You can not beat this 1 from Piña Barware. https://shakercabinets05713.theideasblog.com/37911678/rumored-buzz-on-shaker-cabinets