Well, we managed to roll the Chesapeake double at Okoume stock but it's almost easier to do it by oneself. If rolling a huge double can be called easy. First attempt was with Brian from Chesapeake Paddlers, his off side is my on side and vice versa. Almost but no cigar. Next day attempt with Andrea from Amphibious Horizons, front paddler has a hard time clearing back paddlers blade on set-up, success. Just for the heck of it I tried rolling just from the front with the back empty. It actually worked but was v e r y s l o w. My real victory was rolling the Mill Creek 13, an open cockpit 13'x29" kayak. Unless one has a skinny double and skilled paddlers I don't see rolling the average ship like double as a likely or necessary occurrence.