Aravana muttu or arabana muttu is an art form prevalent among Muslims in Kerala state of south India, named after the musical instrument of the same name, which is a drumlike instrument or made of wood and animal skin, similar to the daff but a little wider and smaller.

This is a more difficult art than the duff. There are traditional and modern method of playing the aravana. The traditional method is by sitting in a semicircle. The leader of the group will start singing and when the initial song is over, the players will start to play following the song of the leader and beating on the aravana musically; others will beat in the same way by giving chorus to the song.Even thou the duff and Aravana are two different types of arts, they are used inter changeably for the word duff and not Aravana. It is because duff is more familiar than the Aravana.This art is now a day used for competition in kerala

For more information: https://en.wikipedia.org/wiki/Aravana