Hearing protection goes on just after my athletic supporter and I make a salami sandwhich. All kidding aside, I have never contemplated hearing protection for exigencies. As a LEO we train extensively and always use hearing protection, but never discuss its use in the field or for HD. Not saying don't do it, stuff just doesn't unfold the way you plan it in your head, it just happens. It's not a bad idea, but theory and practice often diverge. KISS