Numbers 6:19 (BSB)

And the priest is to take the boiled shoulder from the ram, one unleavened cake from the basket, and one unleavened wafer, and put them into the hands of the Nazirite who has just shaved the hair of his consecration.

From Numbers 6. Also in the ESV.

Commentary on Numbers 6:19

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Numbers 6:1-21: After the law for the discovery and shame of those that by sin had made themselves vile, fitly follows this for the direction and encouragement of those who by their eminent piety and devotion had made themselves honourable, and distinguished themselves from their neighbours.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Numbers 6:19: And the priest shall wave them for a wave offering before the Lord,.... Putting his hands under the Nazarite's, as in other cases where this ceremony was used; and so moving them to and fro, backwards and forwards, upwards and downwards, testifying hereby the goodness of God unto him, his sovereign dominion over him, that all he had depended on him, and was received from...
• Keil & Delitzsch (Lutheran), Biblical Commentary on the Old Testament on Numbers 6:19-20: Num 6:19-20 When this had been done, the priest took the boiled shoulder of the ram, with an unleavened cake and wafer out of the basket, and placed these pieces in the hands of the Nazarite, and waved them before Jehovah.