[Walts Ice Pick]

There was a time, not long ago, when schools set standards. An unmarried schoolmarm was not to be seen in town without being escorted by either her father or a brother, a full brother.

Things seemed to work back then.

[Caesar Soze]

There was a time, not long ago, when schools set standards. An unmarried schoolmarm was not to be seen in town without being escorted by either her father or a brother, a full brother.

Oh, you mean a mahram? That is still the case in many parts of the world today and, as you say, it seems to work.