Is the dry bag layer at the end of aging edible?

[Tim Wegner]

So I cut about half the bark into squares approx 1″x1″ and put them on a skewer brushed them with a bit of olive oil and some of my rub and grilled them,,,,,SUPER YUMMMY! The rest I slowly simmered for a whole day with garlic,celery onion, carrots and some herbs and spices making it into a soup, gravy or au-jus base, it was to die for….