The opá iku is made use of when praying the moyuba (mojuba) towards the ancestors, by tapping it on the bottom to call up Egun for being existing. In the Yoruba homeland, the tapping of this workers was basically carried out along with the graves on the buried ancestors in https://softtoysmakingathomesimpl89123.yomoblog.com/34999396/not-known-details-about-la-rdc-aux-pays-suivants