They attached the two golden chains to the two rings at the ends of the breastplate.
along with two chains of pure gold, of braided work, and you will attach the chains to the filigree settings.
They made two settings of gold, and two golden rings, and set the two rings on the two ends of the breastplate.
The other two ends of the chains they placed on the two settings, and fastened them on the shoulder pieces of the ephod, in the front.