ice. The system was developed by Fletcher Chicago. The experiment was short-lived, and the "rail-cam" is no longer used in NHL hockey games. For live TV broadcast of sporting events, a remote stabilized camera head is often mounted on a cable suspended system or a vehicle to track the athletes. For example a Newton stabilized head is often used on 1D cable cam at Nordic skiing or on a car for tracking the runners at marathons. See also Walk and talk, a film technique which makes use of the tracking shot Steadicam Process trailer, a trailer designed to be used as a camera platform and/or to carry a car during a tracking shot References Cinematography Cinematic techniques External links Newton stabilized camera systems Film production