Tucker Cline Air Pocket System. This photo shows the glass door pushed into the pocket. It is flush and allows for walk in shower. When closed shower or steam room is desired, simply close the glass door. When finished with shower or steam, close the door into the pocket and push button. The door and interior of the shower is blown out with high pressure air. Eliminating the need to do it yourself! Makes the shower space fresh and dry for the next use.