Matthew Poole's English Annotations on the Holy Bible - Exodus 28:27
Two other rings, to answer the two rings in the breastplate, that by all these the breastplate might be the better fastened to the ephod. On the two sides of the ephod underneath; in the lower part of the ephod, or in that part of it which is under the lowest part of the breastplate. Toward the forepart thereof; towards the breast. Over-against the other coupling thereof, i.e. over-against the ouches on the shoulder-pieces, where the upper part of the breastplate was fastened to the ephod. read more
Matthew Poole's English Annotations on the Holy Bible - Exodus 28:26
Upon the two ends, to wit, upon the lower ends, for there were other rings put upon the upper ends, Exodus 28:23-25. In the side of the ephod inward, i.e. in the inner side of the ephod, under which these rings were hid; for the ephod was double, Exodus 28:16. read more