From the 1600s, European travellers observed that East African people smoked it using coconut-based mostly water pipes (Comoros) and antler-dependent pipes in Madagascar. A Portuguese account through the 1580s reports the usage of ‘bangue’ in the area, that is thought to relate to the community phrase for cannabis – bhang. https://zanzibarcannabis34444.wikiconversation.com/7525312/zanzibar_cannabis_options