Exodus 39:8 (NLT)
Bezalel made the chestpiece with great skill and care. He made it to match the ephod, using finely woven linen embroidered with gold and with blue, purple, and scarlet thread.
Exodus 39:20 (NLT) - 20 Then they made two more gold rings and attached them to the front of the ephod, below the shoulder-pieces, just above the knot where the decorative sash was fastened to the ephod.
Exodus 39:21 (NLT) - 21 They attached the bottom rings of the chestpiece to the rings on the ephod with blue cords. In this way, the chestpiece was held securely to the ephod above the decorative sash. All this was done just as the LORD had commanded Moses.
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Exodus 39:26 (NLT)
with bells and pomegranates alternating all around the hem. This robe was to be whenever the priest ministered before the LORD, just us the LORD had commanded Moses.