They absolutely do. They absorb the impact of a crash just like a shock absorber......jerrab » 29 Oct 2023, 11:26 am » wrote: ↑ crumple zones do not protect. they may have reinforced the interiors but break away outer parts do not insure safety. cats have shock absorbers in their feet and they can land in a fall that would kill a man, but their legs are not break aways and fragile.