sentences:  One theory is that if indigenous, they copied a splayed-end Raffia cloth bracelet worn by women, another that the well-known Yoruba Mondua with its bulbous ends inspired the manilla shape.Copper bracelets and leg bands were the principal 'money' and they were usually worn by women to display their husband's wealth.Early Portuguese traders thus found a preexisting and very convenient willingness to accept unlimited numbers of these 'bracelets', and they are referred to by Duarte Pacheco Pereira who made voyages in the 1490s to buy ivory tusks, slaves, and pepper.