Superior American 3-Ball Sure Shot Pourer dispenses like a freeflow but gives a controlled measure. The original and still the best, these American pourers will dispense the correct amount time after time. Must be used in conjunction with an approved Thimble Measure for the prescribed spirits; Whisky, Gin, Vodka and Rum Instructions for use: Prime the pourer by holding a finger over the spout and quickly turning the bottle over. Prime pourer before the first use and after each cleaning. If the pourers are not primed, the first shot may not be measured accurately. When pouring, turn the bottle in a smooth motion to a 45-60 degree angle. Shot pourers are designed to pour fast. Not Government Stamped.