A mount 10 for detachably mounting a screen of an in-car video entertainment system to the rear of a headrest of a vehicle comprises fixings 15 for engagement by the rear of the video screen. The mount 10 enables the video screen to be secured firmly in position against the rear surface of the headrest, so that rear-seat passengers can view the video output from a computer games device, video cassette/tape recorder or video disc player etc. The mount may be fitted to any existing headrest without any modification to the headrest being required.