The smiley helps to make bike rides simple and safe when you go cycling with a child on board the hamax freely suspended fastening bracket provides natural springing and protects the childs spine during the trip easy to secure the child the extra chest buckle makes it easy to secure the child with one hand while the bike is held steady with the other hand the chest buckle prevents any conflict with the helmet when the child is being placed into or lifted out of the seat the child bike seat