This Laverne & Shirley photo contains
fedora, felt hat, homburg, stetson, trilby, boater, leghorn, panama, panama hat, sailor, skimmer, straw hat, and sombrero.
There might also be
porkpie, porkpie hat, beaver, castor, dress hat, high hat, opera hat, silk hat, stovepipe, top hat, topper, and beaver.
