I saw Chad Wilson get it tonight. Guy shot in and got his leg, so Chad put his hip to the floor pushed away just enough to pop the gable grip on his leg, then he just shot the leg over the head again.
Whenever it fails, and he takes the back, he ends up with the guy's arm pinned in an anaconda. Not quite certain how he transitions to it. I will have him break it down for me (he actually won his title fight with it).