The opá iku is utilized when praying the moyuba (mojuba) to the ancestors, by tapping it on the bottom to connect with up Egun to generally be current. In the Yoruba homeland, the tapping of this personnel was actually performed on top of the graves on the buried ancestors in https://collinfmmlj.verybigblog.com/28394091/ce-30-juin-f-tshisekedi-va-vendre-can-be-fun-for-anyone