Yaka. Slit-Drum Hunting Charm (N-kookwa Ngoombu), 19th century. Wood, iron, seedpods, fiber, horn, fur, glass, beads, organic material, 12 3/16 x 2 3/4 x 2 in. (31 x 7 x 5.1 cm). Museum Expedition 1922, Robert B. Woodward Memorial Fund, 22.1461. Creative Commons-BY.