Wampum the spoken language is. Records and treaties are kept in this manner, and individuals could write letters to one another in this way. Wampum belts were used as a memory aid in oral tradition, and were sometimes used as badges of office or as ceremonial devices in Indian culture such as the Iroquois. The 1820 New Monthly Magazine reports on a speech given by chief Tecumseh in which he vehemently gesticulated to a belt, pointing out treaties made 20 years earlier and battles fought since then. The National Museum of the American Indian repatriated eleven wampum belts to "Iroquois" chiefs
Puka shell because they were naturally pierced, which enabled them to be strung like beads. Puka shell jewellery first became a popular item in Hawaii during the 1960s, as an attractive and inexpensive lei which could be made and sold on the beach where it was made. In the 1970s, this type of shell jewelry became highly sought after, and prices skyrocketed. The craftsmanship also became more refined and the "lei pūpū puka", puka shell leis were strung in graduated or matching styles, rather than the original random patterns. Many "legends" about the puka shell were created during this time, and these