[Isidore]

I'm rather puzzled by this invention. Do helmets with this type of liner pass the recognised standard tests for energy absorption maximum brain deceleration etc? If so how are they different from a standard helmet liner? All this design does is create a much softer liner. It could be that the current standards are wrong and helmets are too stiff, but in that case any number of energy absorbing liners can be made to have equivalent characteristics without the unnecessary complexity of the cones which incidentally make the shear load connection between your head and helmet shell very dubious. One thing is certain, any helmet, even a bad one, is better than none!