Muumbwa, the carver repairs older masks, and creates new pieces for circumcision . The majority of the masks “Mwelo” are carved for initiation purposes. They are generally danced in pairs or groups, with the exception of the MBALA mask, which is worn by the tutor’s leader, who dances alone, the MPAKASA mask, a zoomorphic masks worn by the tutor, and the dancer of the KANZENGA Mwelo mask.