I'm sure it'll be on upcoming videos and I wish I could link stuff off the Mendes Bros site but there's a sick series loop that Rafa Mendes shows where you can go to over and over from here. If the anaconda doesn't work, or if you don't feel like doing it, just go back to the guillotine grip, pop to your knees, and shoot eh darce. If that isn't working, go back to the guillotine grip, fall back on your hip, and go anaconda again. If you don't like this then you can always switch to a Marcelotine or mount with the arm-in guillotine since you already have the grip.