That is one of the vaguest rules I've ever read and isn't really fair to the officials having to make the call.
Maybe, after the hit, the official can ask the blockee, "Excuse me son, did you have a focus of concentration?"..lol
That'll straighten it all out.
Maybe, after the hit, the official can ask the blockee, "Excuse me son, did you have a focus of concentration?"..lol
That'll straighten it all out.