Suspended from a heavy duty spring system, this bouncing unit is supported by a central yolk to ensure that your babe stays balanced and upright when swinging or bouncing. (babygearspecialist.com)
Some of the more creative uses given for a paper clip were: as a weight on a paper airplane; as wire to support cut flowers; counter / token for game / gambling; as a light duty spring. (sciencedaily.com)