Individual double-skin hourglass-shaped drums, one skin used for playing
An individual drum with a tubular body that has a smaller diameter at the middle than at the ends. Tightly stretched membranes enclose the body at either end. One membrane is directly struck by the player using the hands or intermediate devices such as sticks. With membrane laced to drum. Cord-(ribbon-) bracing. The cords are stretched from membrane to membrane or arranged in the form of a net.
Individual double-skin hourglass-shaped drums, one skin used for playing with cord- (ribbon-) bracing
Hornbostel - Sachs