Hornbostel - Sachs
Tubular rattle drums
Drums with tubular bodies that have a smaller diameter at the middle than at the ends. Tightly stretched membranes enclose the body at either end. The membranes are indirectly struck by pendant pellets, or similar objects, when the drum is shaken.
Hourglass-shaped rattle drums
Individual hourglass-shaped rattle drums
Sets of hourglass-shaped rattle drums