A kero (also spelled qero or quero) is an ancient Incan drinking vessel used to drink liquids like alcohol, or more specifically, chicha. They can be made from wood, ceramics, silver, or gold. They were traditionally used in Andean feasts. Keros were decorated by first cutting a shallow pattern on the surface of the cup, then filling the pattern w... Found on http://en.wikipedia.org/wiki/Kero