That's from hitting something hard with whatever he was holding, like a golf club. I have actually had those kinds of injuries just from playing drums. That's why they wear tape to cushion the blows that make blood blisters and so the sticks don't go flying out of your hands..
They love the naked natives.
That tribe is from Brazil. The term "punanny" itself is a slang Jamaican word referring to the female genitalia. Why would a tribe that lives deep in the Amazon have a woman Chief named Punanny?