TSK
Treasury of Scripture Knowledge references in WEB.
"'All the days of his vow of separation no razor shall come on his head, until the days are fulfilled, in which he separates himself to Yahweh. He shall be holy. He shall let the locks of the hair of his head grow long.
Even so you also, when you have done all the things that are commanded you, say, 'We are unworthy servants. We have done our duty.'"
Take them, and purify yourself with them, and pay their expenses for them, that they may shave their heads. Then all will know that there is no truth in the things that they have been informed about you, but that you yourself also walk keeping the law.
to the praise of the glory of his grace, by which he freely bestowed favor on us in the Beloved,