 Putting seat belts in the cars and changing actually a lot of times where the injury is going to happen or what part of your spine is going to take the impact. So they've got to look at it. And if it's a side impact, you've got to check and find out what parts of your body were impacted from the side impact. They want to know how your body was seated in the car. Was it straight? Was it turned? Was your neck turned? Were your hips turned? Was your back turned?