I'm a trainee clomid directions for taking days 3 7 vs 5 9 If the harnesses are too loose, your child cannot be properly restrained in a crash. This may result in subjecting your child to higher crash forces or being ejected from the seat. To remedy this, ensure that the harness straps lay flat, without any twists. It should be snug enough that you cannot pinch any extra material at the child’s shoulder.