Many Parents believe that the car seat installation needs to be ROCK HARD. Some Professional Car seat Fitters even proclaim No-one can get a firmer car seat install than me. FACT : A car seat installation does NOT need to be Rock HARD. Infact Making a car seat installation ROCK HARD is actually compromising the installation of the car seat and the safety of your child. The reason behind this conclusion is that when the seat belt is ROCK hard then the seat belt can NO longer absorb any energy from an emergency stop. A Good car seat installer will explain to the customer that it should not be rock hard and that they are installing the car seat