Exodus 28:27
And you will make two rings and put them on the two shoulder pieces of the ephod below at its front near its seam above the waistband of the ephod.
Treasury of Scripture Knowledge
Summary
And two other rings of gold thou shalt make, and shalt put them on the two sides of the ephod underneath, toward the forepart thereof, over against the other coupling thereof, above the curious girdle of the ephod.
The curious girdle
Bible References
The curious girdle
Exodus 28:8
And the waistband of his ephod, which is on it, will be of like work to it--gold, blue, and purple and crimson [yarns] and finely twisted linen.