text: KHOL: Membranophone
  WEST BENGAL
  widely used bifacial percussion instrument of clay of the eastern region. right side head is much smaller and higher-pitched than the left head. the two faces of the drum are covered with layered skin held by braids and thirty two thin leather strips. right face of the drum loaded with black paste and left with mud  and rice dust. slung from the neck horizontally, played with both the hands. used in traditional and devotional music forms like Kirtan, Bhajan and Baul singing.
  