If you really want to delve into depths of the somewhat twisted logic and reasoning behind the original debacle that caused it all and a correct understanding of the NFHS attempt at clarity all the way up to the expanded EXCEPTION stated in this year's rules book under 9-9-1, here's a tutorial that explains it in detail. Watch from the :56 second mark to 3:29 minute mark. Includes videos to illustrate what's legal. Not updated to accomodate the new phraseology in the new rules book because that really didn't add anything to what is legal anyway.