Deuteronomy 25:11

When men fight together—a man with his brother, if the wife of one of them come to rescue her husband out of the hand of him who is beating him, and stretching forth her hand, take hold of his privities,

And if men should strive together, a man with his brother, and the wife of one of them should advance to rescue her husband out of the hand of him that smites him, and she should stretch forth her hand, and take hold of his private parts;