Exodus 28:27

And make two gold rings, and give them upon the two shoulder-pieces of the ephod from below, from the front of its face, with its joinings above the girdle 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 girdle of its ephod, which is upon it, shall be according to the making of it from it; gold, cerulean purple, red purple, double scarlet, and twisted byssus.