One picture heading stated that it would no longer be potent. I am not sure how they determined that, Probably their undergraduate tech assistant sampled it. I am curious how it might have been utilized on a medicinal level that long ago. Of course it was used for rope, cloth, etc, but for a Shamen to have it indicates either a spiritual or medicinal use.
"Steel-like jaws clacked away, each bite slashing flesh from my body - I used my knife and my hands, and when they were gone, my bloody stumps - and yet the turtles came."