The rack goes in, but the curved shelf edge prevents getting bottles into the rack. It is important to put out plenty of anchor rope, and use a lead chain attached to the anchor to hold it on the bottom correctly. They dont always slip on easily as the straps flip over but comfy nonetheless. Construction: Much more solid than I would have thought. It also leans to one side, because of the middle section maybe, Im not sure. the sole, too. You dont need the app to use those features. Between the hard outer band and your head there it a fabric band that sits directly on your head. The plastic sides are made of rather thin plastic but adequate for light use. These fit that bill.