Ellis Parker Butler,
Amazing Stories
(1926)
“ In fact I may say that but for a most unpleasant circumstance I might never have thought of gyro-hats at all, although I had for many years been considering the possibility of utilizing the waste space in the top of silk hats in some way or other. As a practical hat dealer and lover of my kind, it had always seemed to me a great economical waste to have a large vacant space inside the upper portion of top hats, or high hats, or "stovepipe" hats, as they are variously called. When a shoe is on, it is full of foot, and when a glove is on, it is full of hand ”
