They tied the rings of the breastpiece to the rings of the ephod with blue cord, connecting it to the waistband so that the breastpiece would not swing out from the ephod – as the LORD commanded Moses.
NIV
They bound the breastplate by its rings to those of the ephod with a blue lace, that it might lie upon the skillfully woven band of the ephod and that the breastplate might not be loosed from the ephod, as the Lord commanded Moses.
AMP
And they did bind the breastplate by his rings unto the rings of the ephod with a lace of blue, that it might be above the curious girdle of the ephod, and that the breastplate might not be loosed from the ephod; as the LORD commanded Moses.
KJV
They made two gold rings and attached them to the other two corners of the breastpiece on the inside edge next to the ephod.
NIV
They made two rings of gold and put them on the two ends of the breastplate, on the inside edge of it next to the ephod.
AMP
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.
KJV