Nigeria Yoruba offering cup Wood H.35 cm - L.23 cm Among the Yoruba, it seems that the cup is the receptacle for Kola nuts, which are presented as a gesture of peace and welcome, as well as for communication with invisible forces. The cup-bearer represents an intermediary, a medium for bringing otherworldly forces into our lives. Divination is performed by observing the contents of the cup, which has been shaken by the medium.