http://www.english.hadhramaut.info Hadhramai Handicrafts [The Source: - ]

Tabag (winnowing baskets) . The shell is made up of palm rattans, and usually found in different sizes and

shapes: used  to  store wheat and sometimes to save bread in it for long periods as well as in different climates.

The photos show the different modes... Where the first picture shows a winnowing basket and its cover.