How to pronounce “hat head” in English

in to Harvard bought me. Of course, being respectful, I never wore my Harvard cap in class, only in the corridors, on the street, and everywhere else. If you look atmy photo closely, you'll see the proof because I have permanent hat head. Thin hair on top and on the sides, bunches out around my ears. In ninth grade, I almost won the RegionalHigh School Science Fair for my study of the social systems of ants, but someone jiggled the table and my jar of ants crashed to the floor and the other competitor stepped on