Murphy covered the entire studio in silver fabric and tin foil. He did this by making keys with paperback novel covers, tin foil, and glue. The section begins by presenting each letter typed on a sheet of tin foil. An image is made using non-conductive ink on a piece of tin foil. Sam and Lou also surprise Gilda by dressing up in tin foil. The nickname stuck, and his full name was chosen as a pun on tin foil. Tin foil is stiffer than aluminium foil. The first audio recordings on phonograph cylinders were made on tin foil. Some restaurants wrap leftovers in tin foil, creating shapes such as swans or sea horses. Mynas have been known to use tissue paper, tin foil and sloughed off snake-skin. Aluminium foil supplanted tin foil in the mid 20th century. In the Swiss pile dwellings, the incised decoration was sometimes inlaid with tin foil. Initially, the new company supplied lead and tin foil wrappers to cigarette and candy companies. In this case, they are wrapped in tin foil to preserve them during baking. They are manufacturing tin foil and similar metal foils for highly specialised applications.