A pinecone bird feeder like they used to make in Girl Scouts, where you put peanut butter and the pinecone and roll it in bird seed. I don't know whey Strong Sad named them wood davers, though. He must have been REALLY hopped up, man.
You wanna make some wood davers with me? I got pinecones, I got peanut butter!
A wood daver once made at summer camp by me and strong sad is a pinecone stuffed with peanut butter then rolled in bird seed then hung up and used as a bird feeder.