Although seatbelts have been around for a long time, this safer form of the seatbelt, called a " shoulder belt" or a " shoulder strap belt, " began to be used only in the late 1950s.

虽然安全带已经存在很长时间了， 但这种更安全的安全带形式，称为“肩带” 或“肩带” ，直到 1950 年代后期才开始使用。