Campfire cocktails . mid-hike martinis and Sunday sours at home—make 'em all doubles and raise a glass to Adventure. This all-in-one stainless steel cocktail shaker features a unique twist-to-lock top . so there's no leaks or messes no matter how hard you shake. A removable reamer allows you to juice and strain directly into the jigger cap . and two shatterproof stainless steel rocks glasses lets you toast to fun.