Exodus 39:19 in the World English Bible
They made two rings of gold, and put them on the two ends of the breastplate, on its edge, which was toward the side of the ephod inward.
Context
18 And the two ends of the two wreathen chains they fastened in the two ouches, and put them on the shoulderpieces of the ephod, before it.
19 And they made two rings of gold, and put them on the two ends of the breastplate, upon the border of it, which was on the side of the ephod inward.
20 And they made two other golden rings, and put them on the two sides of the ephod underneath, toward the forepart of it, over against the other coupling thereof, above the curious girdle of the ephod.