Ann immediately decided to make three sample carriers. She asked several friends to carry sealed five-pounds bag of flour in them, to get a feel for the carrier's functionality. She then adjusted the straps and inner washable pouch for comfort and ease of entry. After receiving feedback from her testers and making the adjustments to the design, she gave an improved model to a set of new parents with the proviso to return it if necessary for adjustment.
Write a short paragraph about a first version of your Sideline, without considering any "how to" details.