sentences:  The most famous Tuareg symbol is the "tagelmust" (also called éghéwed and, in Arabic, "litham"), sometimes referred to as a cheche (pronounced "shesh"), a combined turban and veil, often indigo-blue colored.The men's facial covering originates from the belief that such action wards off evil spirits.It may have related instrumentally from the need for protection from the harsh desert sands as well.