Why wear seat belts? Watch these crash dummy videos!
Need some material (videos) for a safety presentation on wearing seat belts?
See the National Highway Trafic Safety Web Site and go to their Multi-Media page:
http://www.nhtsa.dot.gov/portal/site/nhtsa/menuitem.7908a78a98232a8d304a4c4446108a0c/
Hope this helps!