Don't worry about the questions, better to ask and have an idea than not to ask and have no idea.
The way we tell folks to do it is to simply roll the wing around the backplate toward the front of the harness and hold it in place with 2 light bungies, 1 at each end of the backplate. We make the bungies out of 3/16's inch sail cord and a hogring for about 40-50 cents each from materials readily availble at most marine supply stores, however the goal is to keep the wing in place to prevent pinching it. Too strong of a bungy could be damage the wing on the wrap. If your traveling with a STA, it can be left in attached to the backplate.
By doing this you are able to leave certain items (lights, pockets, knife, etc) inplace on the harness, the plate and wings stay together, harness acts as a firm handle and is tucked away to prevent entangling with out items in a gear bag and prevents any assembly and dropped hardware on a crowed boat or rough seas.
Schott