“Found this in the attic of the house I just bought. Any ideas?”
Answer: “Bird spikes. They come in all different shapes and sizes, and this one happens to look mountable onto a pole or something. Think of something you wouldn’t want birds to get up into or on top of — this could’ve been mounted on it, like, for example, on a satellite dish.”
#17 it's also very practical because the tea dripping from the teabeg spills everywhere when you tilt the cup while drinking.