We are planning to do the Race to Alaska 2017 and have purchased a set of rowing riggers to mount to the amas of a Corsair 28CR. The rowing riggers have strong suction cups so we thought, initially, we would be able to mount directly to the amas. We'd planned to glue smooth plastic disks under the 'feet' to ensure suction was maintained. However, the amas are curved and the feet don't swivel or extend.
I'm curious if anyone has thoughts on whether or not a platform might be our best route or trying to modify the feet. If we build a platform of sorts we'd been told that starboard or marine plywood might work. Note that we do not want to drill any holes in the amas if we can help it.
Photos of riggers, ama and paddles below. All suggestions welcomed and entertained. Thanks in advance!