Obi is a Yoruba word for Kola Nut. Kola nut is the fruit of the Kola tree, a genus of trees that are native of the tropical rainforest of Africa. We use it to communicate to our Orisa through our Shrines. It is very sweet when eating as well. There is a story in Odu Ifa Verse Oturupon fun that talks about the usefulness and importance of Obi for our Shrines. Every devotee should know how to appease their Orisa using Obi.