Mokgale Makgopa and Magaelane Koma of the University of Venda wrote that divination bones can consist of coins, dominoes, pieces of metal and gems and other things of significance to the healer.[2]
^Makgopa, Mokgale; Koma, Magaelane (2009). "The Use of Ditaola (Divination Bones) Among Indigenous Healers in Sekhukhune District, Limpopo Province". Indilinga–African Journal of Indigenous Knowledge Systems. 8 (1). doi:10.4314/indilinga.v8i1.48242.