Be sure the fabric body of the carrier extends at least up to your child's upper back and that the waist buckle clicks securely. (boba.com)
The fasteners around the body of the carrier ensure that it will not be hard for the baby to fit into the carrier without any problems. (babycarrierhq.com)
It is hard to explain to someone the intricacies of creating something simple... like two slits in the side of the body of the carrier so a baby's feet can extend out. (nestingdays.com)