Vinyl turntables are used by scratch dj's to play vinyl as if it was a musical instrument. there are laso USB turntables designed to convert vinyl to digital audio files ready to put into your computer.Stanton and Otofon are a companies that made their name by developing specialty needles designed for scratching. The bench mark turn table used by djs is the Technics 1200 (a professional turntable designed for radio djs). For many years companies have been chasing the 1200. Todays turntables have additional specialty features like reverse play and adjustable brake.