The platter is the part of a turntable on which a record rests when being played. It is commonly made of aluminum, but some inexpensive models use a high impact plastic. Often times, DJs will rest a slipmat on the platter. Edison cylinder phonograph ca. ... The Beatles Magical Mystery Tour (1967) as a 33 â…“ LP vinyl record A gramophone record (also phonograph record, or simply record) is an analogue sound recording medium consisting of a flat disc with an inscribed modulated spiral groove. ... A slipmat is a circular piece of slippery cloth or synthetic materials, designed to allow disc jockeys to turn or stop vinyl records on record players, or to scratch. ...