Yes, also maybe used for a sweater. Clip it to both sides of something and let the chain fall across your front to keep the garment from falling off your shoulders. Women often used to wear their sweaters over their shoulders without putting their arms in the sleeves, and they might attach something like this to the two front portions to keep from losing the sweater. Did we call it a sweater guard? Yes, I think so. Once upon a time they were very cool, in a fifties sort of way.