Orangutans making a poultice, field medicine style. This is the way Roman soldiers used plantain to stop bleeding in battle, like a bandaid made of crushed plant. An ape, using herbalism, just doing things the way primates do. Please, someone find this guy and show him you don't have to chew it, you can crush it in your fingers, that's so gross.
https://www.inverse.com/science/animals-self-medicate-plants