Exodus 39:20-22

The Voice

²⁰ They made two additional gold rings and attached them to the front of the vest below the shoulders near the seam just above the waistband. ²¹ They connected the rings on the breast piece to the rings on the vest using blue cord, so that it would be attached above the vest’s waistband and not come loose from the vest. They did all this exactly as the Eternal One had instructed Moses.

²² He then made the robe worn under the vest blue.