The force exerted on the carseat will be significantly lessened by the five-point harness. The harness will absorb the force of a brake at a greater rate than the three-point harness as it has more points to take in the force. You Might Also Like Can my child wear a jacket if he or she is in the car seat? 2021-01-08 When should I use an extra cushion? 2020-12-29 Opens in a new window X Opens in a new window Facebook