Once you're on the ground in that position, If you somehow kept control of the leg that's near your head, while swimming your head through to the other side of the leg, bring the leg that you have over the back of his knee around to the opposite side of the dudes ass, there could be a rolling back take like the one Geo did at 4:19 of this vid:
https://www.youtube.com/watch?v=abNRxoKfZWE
I might be missing something important but it seems like it'd work, I'll have to take it to the lab. The Spladle is definitely a position I'm gonna try work on though!