State : Democratic Republic of the Congo Data : Mudduwasi Matter : Wood Size : 27.5×58 This dance, whose name means 'a waist dance', was danced by women of the Jjiuba Tribe in East kasai in lod Zaire when they gave birth to twins to celebrate the birth and show their thanks to their husband. The dancer dances alone in a mask, and then, encourages men to dance together and they join the dance.