Generally asymmetrical in their design depth, they are generally richly colored and patterned with geometrics and tend to be adorned and fringed with cowrie shells hung by organic fibre thread. These are tied around the hips with leather-based or string. Africans traded ivory, gold and slaves for these beads https://elliottqgvjz.blogitright.com/29623047/about-coral-beads-for-jewelry-making