Are you sure?
In the olden days, when police agencies had the, 'PAL', sports league for city youth, PAL used to teach boxing lessons. Yes, that kind of boxing. Anyway, the inexperieced fighers would start swinging with their eyes open but would have both eyes tightly closed for the 2nd-3rd-4th and 5th swings.
Not only do I think sgt127 carried this optical childhood fighting notion with him, but I also think sgt127 is predicting or recommening or linking his idea of.357 snub-nose work for you too. Naw, he wasn't joking.