in a recent visit to a preschool, it was said that the kids are entering kindergarten needed to know how to write their names, all the alphabet and their numbers up to 100. are you kidding? you have this strong desire for all people to get on with each other, to work as one. when using at the front the wider curve offers maximum protection and frame clearance whereas at the rear there are two snap-off holes added to rotate the guard forward and attach it to the brace to allow more mud clearance. 