フィラデルフィア美術館さんのインスタグラム写真 - (フィラデルフィア美術館Instagram)「During the late 1600 and 1700s, puzzle jugs were popular drinking games in taverns and homes throughout Europe. Decorative perforations around the neck of this jug made it impossible to drink from without spilling—unless one knew the secret. The hollow tubular rim, with one functioning nozzle and two or more "dummy" nozzles, is connected to the hollow handle, which forms a siphon from the lower body. The drinker must place a thumb over the small hole beneath the top of the handle to create a vacuum that will allow the liquid to be sucked up through the handle, around the rim, and out through the functioning nozzle. "Puzzle Jug," around 1760, Dutch」8月23日 8時41分