![]() It's not THAT common for racers to drive straight into something stationary, and it's rare for them to drive into oncoming traffic. Are our cars like racecars? Racers may be statistically more likely to be involved in a rollover accident or even to be t-boned compared to the public at large. It's arguable whether three-point harnesses make the most sense for our sportscars. ![]() Most four point harnesses don't have any such "anti-submarining" feature, and therefore some people feel they're very dangerous. At least In North America, race cars normally have either five or six point harnesses - they have straps that go between your legs to keep your abdomen from moving forward in an accident. If the abdomen slides under the lapbelt, the driver is likely to be severely injured. The design anticipates that in an accident the driver's torso will fold over the lap belt, and thus counteract any tendency for the abdomen to slide UNDER the belt. Three-point OEM seat belts are mainly designed for collisions where occupants will be thrown forward (e.g. David just had to go and mention four point harnesses.
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