This heavy (it weighs more than half a kilogram) silver anklet is covered in applied granulation work. It has been cast in two part and is hinged, opening by means of a single screw topped with a bud-like finial.
A related example is illustrated in Hoek (2004, p. 139).
References
Hoek, C., et al, Ethnic Jewellery: From Africa, Asia and Pacific Islands, Pepin Press, 2004.