The Klippan seat belt instruction is from about 1960.
The installation of safety belts was started by the Volkswagen Werk about in 1965. Before that time, a Klippan seat belt was very common in vintage VWs.
With the Klippan safety belt you have selected a seat belt, which has always proven even in serious accidents. The Klippan belt is the product of years of research of American and Swedish scientists.