A video has emerged of salesman getting his head stuck in a car door while showing a safety feature to customers. <br /><br />The footage, shot in northeastern Chinese Tianjin City on November 1, shows the door slowly closing onto the man's neck without stopping when expected. <br /><br />He can be heard saying: "Let me show you guys the anti-stuck function on a business van."<br /><br />However, the door closing sensor doesn't detect his head and keeps closing, clamping his neck.
