The round chambers on the bellows would have been covered with animal hide. The skin would have enveloped a volume of air, which when compressed by a skilled blacksmith, would have forced the air out through the tubular passages to fan or stoke the fire. The heat would cause the metal to melt which was then forged or cast. Many African cultures viewed the manufacture of iron as a procreative process whereby the union of primal elements; earth, air, fire and water conceived iron as its offspring.
From our own personal collection!
Height: 23" x Width: 11 ½" x Depth: 5" - It is 26" tall on its 7 ¼" square stand.