Why buy me? Built into all Cosatto car seats of Group 1 stage (approx. 9kg – 18kg/approx. 9mths to 4yrs). Closes the gaps in the harness that previously allowed your child to reach in and slip straps off shoulders. Keeps child securely strapped in leaving you to focus on the road. Forward facing Higher sitting position to give a better view, helping to relieve travel sickness