Which is of course what the entire unbendable arm exercise is about in the first place.
The problem is there are several ways it can be done. Even a simple wresttlers "stretch through" will make it work. So it sends out a mixed message that Johnies wife can "do it" after 1 minutes instruction. With such a mindset anyone and everyone "understands" it, yet how many can really accomplish anything with it outside of a demonstration in any real sense