Gong 觥 - an always animal shaped vessel type from late Shang, out of the Middle Yangtse area. The cover of this wine mug is stretched over the whole length of the vessel. If the rim line is curved the type is called aogong 凹觥, "concave gong". The character originally means a kind of volume measure.

Gong - here a piece from early Zhou times (20 cm tall). The gong has been one kind of large volume vessel that was not exclusively used for sacrificial purposes. It is said that a person who did offend against the etiquette had to drink to the health of his host until he was drunk.