It would take some fabricating, but I'm guessing you could put Hi-Tek type mounting plates vertical on the 4" vertical lip that goes around the boat. The rod holders themselves would need to cant out and up and run along the side of the boat. The holders themselves would drop in and when they weren't in use the only thing left on the boat would be the mounting plates, and they would be out of the way for the most part. With a lot of measuring, it would keep them fairly close to the boat and side of the wrap around windshield.

The downside to this is your rods would hang over the water. I don't see an immediate way to get around that, though.