The opá iku is made use of when praying the moyuba (mojuba) to the ancestors, by tapping it on the bottom to simply call up Egun to be existing. Within the Yoruba homeland, the tapping of this personnel was literally accomplished on top of the graves of the buried ancestors https://waylonfjylq.spintheblog.com/29129558/about-the-drc-to-the-following-countries