Hats off!

Puzzled by pork-pies? Baffled by berets? Wondering how to measure your head? All is answered at hats-online.com. If you can't remember the difference between a homburg and a derby, or are looking to buy a top hat or a newsboy's cap, this site looks like a good resource. No idea if this is a good place to buy from, but it's an interesting browse anyway.