An author can try to give the thoughts of the character or maybe a flashback from the past that reader doesn’t know about yet.
Answer:
second person omnicent I guess
It isn't certain, but since the strap was usually made of goat-skin, it could have been a symbol of fertility. By striking the women (often on the wrists) with it, it was said to ensure fertility, easy childbirth, and good health for them.
