The helmet will automatically adjust back to ‘normal’ inflation after the impact, or for a simpler model, it must be adjusted back to ‘normal’ on the sidelines

The PROPER BLADDER INFLATION PRESSURES can be easily determined by inexpensive research.

This “air bag” modification will add very little weight to the helmet and will not add any risk.

The airbag modification DOES NOT REQUIRE A NEW HELMET;  the cost of the airbag modification is small