Not sure where to post this, so sticking it in here!!
How to i secture the abdominal strap to the car seat in lie flat position - i am guessing that you slot it through the y harness then put the padded matress over the top but not sure, all on says on the instructions is how to put the baby into the ab strap not how to attach the strap to the seat - please help wanted to use it tomorrow
Lisa xx