i think because most body heat escapes from your head.
You put it on the top of your head like a hat.
A hat?
A Hat
hat
He used the space between his head and the top of the hat to store important presidential documents. It was his personal file cabinet.
Because he only has hair on the sides of his head and the top ib bald.
Yes, he wore a top hat. a top hat He is often shown with a stove pipe hat.
A hat
You wear a hat in the winter to keep your head warm. It is not true that your body heat escapes from your head.
he has a top hat because he had a hand growing out of his head
A fedora is a hat, you put it on your head.
Hat\ head wear