Tribal Art: A Central African zoomorphic slit drum, Bamileke People, Cameroon. The carved wood idiophone also known as a slit drum is zoomorphically modelled with a head and tail. The compressed hollowed out body supported on four splayed feet is carved with a central slit aperture running along the creatures back. 35 in (89 cm) length, 18.5 in (47 cm) height.