Exodus 28:22-25

22For the breastpiece, make braided chains like cords of pure gold. 23You are also to make two gold rings and fasten them to the two corners of the breastpiece. 24Then fasten the two gold chains to the two gold rings at the corners of the breastpiece, 25and fasten the other ends of the two chains to the two filigree settings, attaching them to the shoulder pieces of the ephod at the front.