We have a new Duotone Unit (5.0) wing, very nice, but it seems to not deflate through the main inflation central valve, but instead have a set of two small plug type release valves, one on the main section, and the other on the strut.

But since one rolls ti up from the sides to the center, that does not make it easy to get the inflation air out, as one would with a kite, since you are not rolling it up towards a central valve.

Am I missing something here? Is there a way to get it to deflate using the main large central inflation valve?

Wing end valve used when your roll your wing from one side (opposite to valve).