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Students promote tricky sake cup dating back to feudal era

Tsukasa Nakazawa, a student of Nagaoka University in the eastern Japan city of Nagaoka, shows on Dec. 15, 2015, a "jubunhai," a tricky sake cup that has a siphon inside an ornament at its center and is similar to a Greek Pythagorean cup. When sake is poured to fill more than eight-tenths of the cup's capacity, the liquid will leak out through a hole at its bottom. Nakazawa and other students from the university are promoting the cup as a tourism resource, as it was used in the Edo period (1603-1868) by local lords to urge thriftiness, but has since been forgotten. (Kyodo) ==Kyodo