Bible Verses About Nazarites: To shave their heads

Then shall the hair of the consecration of the Nazarite, be shaved off before the door of the tabernacle of the covenant: and he shall take his hair, and lay it upon the fire, which is under the sacrifice of the peace offerings.

But Paul, when he had stayed yet many days, taking his leave of the brethren, sailed thence into Syria (and with him Priscilla and Aquila), having shorn his head in Cenchrae. For he had a vow.

Take these and sanctify thyself with them: and bestow on them, that they may shave their heads. And all will know that the things which they have heard of these are false: but that thou thyself also walkest keeping the law.