Same for helmets. It less so it’s purposely designed so people will keep buying them but more so that something has to absorb the impact so the kid doesn’t. Mec

Same for helmets. It less so it’s purposely designed so people will keep buying them but more so that something has to absorb the impact so the kid doesn’t. Mechanical deformation turns out to be the most effective and safest but deformation is also a one way street hence why you need to change it after an impact. That being said, how often are you getting into accidents?!