Within the 1600s, European travellers observed that East African people smoked it using coconut-centered water pipes (Comoros) and antler-dependent pipes in Madagascar. A Portuguese account in the 1580s stories the use of ‘bangue’ in the area, which happens to be believed to relate towards the area expression for cannabis – https://troyhnrtx.bloggip.com/37351361/everything-about-zanzibar-cannabis