Necklace triple-strand gold chain & best spiky black lip shell

Triple-strand interchangeable necklace. Spiky black lip shell with antique-gold seeds, black squared carved and faceted acrylic beads, antique-gold painted steel chain, gold-finish toggle.  Lengths; inner chain 37cm, middle acrylic strand 40cm, outer best shell strand 46cm. Each strand is detachable and can be worn separately (see photos for combinations). Worn together as a semi-choker on a medium-size neck. Total weight 125g (heavy).