we have our senior researcher at the snior at the initute for highway safetygh. >> what are the basics it?d o >> but gave up four it goes across the upper thigh not across the tummy in the shoulder belt is at the center of the shoulder not up on the neckot. gerri: what were you looking for? you came up with some great information what did you look for?look >> we evaluate the seeds to make sure the of brewster'se guides up lap belts the best way to protect in a crash. not writing up and the shoulder belt sits squarely. gerri: i never would have known that that is how iummy where the seat belt in thehav car but it is good bet your best bet talk to us about those. >> we evaluate 31 we have the top rating and what that means for parents as they could feel comfortable saidab booster seats will work to know why a variety of vehicles coming from sedanriet to the sec to be confident it will have a good fit every timeth. we encourage kids to keep fou kids tward phasing in a restraint as long as possible to heights and ights limit but after they moved out of those they are not ready to sit in th