BTTT
The above quote from the Insight book entry on Rod/Staff, shows clearly that beating a child is encouraged, if it's deemed 'necessary' to keep your child on the straight and narrow..
In other words, if beating your kids is what is necessary to make them sit still at meetings.. You must do it.
I'll just highlight this part of the quote again, but please read it all if you haven't noticed it before (2nd post on page 2 of this thread) :
The book of Proverbs makes many references to this authority, the term symbolizing all forms of discipline used, including the literal rod used for chastisement.The parent is actually responsible before God to exercise this rod, controlling the child.If the parent fails in this, he will bring ruination and death to his child and disgrace and God’s disapproval to himself also. (Pr 10:1; 15:20; 17:25; 19:13)