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
Worry beads roll them against each other, creating soft clicking sounds. Worry beads can be a musical instrument, related to rebetiko. Sound is emitted using a drinking glass and rubbing the lip against the worry bead, which is suspended from one button. It is also superstition in certain Greek communities that husbands-to-be, on their wedding night, will perform a "worry bead ritual" involving rapid back-and-forth movement of all beads. This is meant to ensure sexual fulfilment (συνουσία, "synousía"), on the wedding night and during the following honeymoon period. Worry beads Worry beads or kombolói, kompoloi (, , "bead collection"; plural: , )