13-20. when the days of his separation are fulfilled, &c.--On the accomplishment of a limited vow of Nazaritism, Nazarites might cut their hair wherever they happened to be (Ac 18:18); but the hair was to be carefully kept and brought to the door of the sanctuary. Then after the presentation of sin offerings and burnt offerings, it was put under the vessel in which the peace offerings were boiled; and the priest, taking the shoulder (Le 7:32), when boiled, and a cake and wafer of the meat offering, put them on the hands of the Nazarites to wave before the Lord, as a token of thanksgiving, and thus released them from their vow.

JFB.