21 The woman must be taken to the door of her father's home, and there the men of the town must stone her to death, for she has committed a disgraceful crime in Israel by being promiscuous while living in her parents' home. In this way, you will purge this evil from among you.

Matthew Henry's Commentary on Deuteronomy 22:21

Commentary on Deuteronomy 22:13-30

(Read Deuteronomy 22:13-30)

These and the like regulations might be needful then, and yet it is not necessary that we should curiously examine respecting them. The laws relate to the seventh commandment, laying a restraint upon fleshly lusts which war against the soul.