sautoir

noun, plural sau·toirs [soh-twahrz, saw-; French soh-twar] /soʊˈtwɑrz, sɔ-; French soʊˈtwar/.

1. a ribbon, chain, scarf, or the like, tied around the neck in such a manner that the ends cross over each other.
2. a chain to which a pendant is attached, worn around the neck.