Supposedly this is their first contact with outsiders, but they seem to have a metal machete. Either way:

http://www.cbc.ca/news/technology/video ... -1.2724976

It's a bit of a farce.

If you watch the video it looks like they are trying to protect their produce (bananas).

From the story it seems the bananas were an offering of some sort.

Either way it shows there are still people out there cut off completely from the modern world. And surviving if not thriving.