The opá iku is utilised when praying the moyuba (mojuba) into the ancestors, by tapping it on the ground to get in touch with up Egun to get existing. In the Yoruba homeland, the tapping of this employees was basically finished on top of the graves on the buried ancestors https://natashahowie71345.nizarblog.com/28921006/the-the-drc-to-the-following-countries-diaries