The muslim people of Kasargod also performs this art at the time of marriage or Urooses and other functions and ceremonies connected with mosques. The Aravana or Duff is a musical instrument of Arabian origin. In the Aravana Kalli, Duff muttu or Duff Kalli, as the art form is variously called the players (usually six in number) stand or sit facing each other sing songs, sway the body in different directions, just like in dance and produce rhythmic sounds by striking with their palms or figures on the duff. There are several troupes of Duff Muttu connected with mosques and Madrasa. As an art it is also performed in the stages, and competitions are held in this item