Sounds like another example of "One size NEVER fits all," but if ignored /allowed to expand can into something problematic.
It may be a challange when looking at 22 legs as to which two belong to the runner, my 'when in doubt' suggestion is forward progress has stopped.
In Maine, we've been officiating to this philosophy for a few years without any problems as teams no longer run this. IMHO, it doesn't belong in high school football.