They Are designed to prevent drivers and passengers from being completely ejected from a vehicle by spreading out their bodies’ energy over their shoulders, chest, and pelvis hinein a collision. For the reasons discussed above, NHTSA is denying Cybex's request to provide guidance on how FMVSS No. 213a's test procedures https://dev-westudy.accedo.gr/members/maracaheat6/activity/2294803/