I bought the Adventurer I, which doesn't come with a cargo net. There are times when everything has to come with me on the board -- the pump, the backpack, water bottle, phone, wallet, keys -- so I needed to attach a net. These D-rings are working very well. One piece of advice, though. The Tower folks must have some tool to install them because the ones on the nose and tail are set beautifully. Mine don't look nearly so good. The rubber pad has two different levels because of the reinforced center circle. So getting all the air out with a spoon or your fingers or whatever is easier said than done. But don't worry about that. Just use enough glue, let it dry for 24 hours, and they're solid.