Major cash crops produced are oil palm products, rubber, coconut, raffia palm and jute. Their traditional dress consisted of clothing woven of raffia fibers. Clothing was historically made from woven raffia. Variety fibers may also be used, such as metallic cord, metallic braid, ribbon, or raffia. A traditional lamba made of a blend of silk and raffia fibers. Leather shoes were replaced by shoes made of rubber or canvas (raffia) with wooden soles. The frond is usually cut from a young raffia palm tree. They may wear skirts of raffia material and small shells or beads. They were experts in metalwork, pottery, and weaving raffia cloth. Bapende dancers often wear traditional costumes comprising colorful masks and attire made from raffia. In Central Africa, the Kuba people developed raffia cloth from the raffia plant fibers. Various crops are supported including coconut, oil palm, raffia palm and cocoyam. They used the fibers of the leaves on the raffia palm tree. Women often cover their bodies with masses of raffia or black cloth. Congo speakers domesticated the oil palm and raffia palm.