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
Shell tools in the Philippines shell serves as a decorative motif. The oldest known ornaments made from cone shells were found in the early 1960s in the grave of an adult male in Duyong Cave in Palawan. A shell disk with a hole in the center was found next to his right ear and a disk with a hole by the edge was found on his chest. The shell ornaments were dated 4854 B.C. Duyong Cave, near the Tabon Caves of Palawan's western coast (Philippines) produced a "Neolithic Burial" with four Tridacna shell adzes and two different types of shell ornaments as well as other