Easily attach the anti-rebound bar to your Britax® One4Life™ car seat for added safety and comfort. Used only in rear-facing mode, the anti-rebound bar helps reduce movement in the event of a crash. This accessory also gives your child extra legroom, keeping them comfortable for the ride. The mesh cover is removable for easy cleaning and the color-coded buttons make attaching and removing the anti-rebound bar a breeze.