I use the C fold, but I've tried others... the C opens the best. I insert it as horizontally (toward my tailbone) as I can. I make sure it's open with the "swirl" technique, and I also pinch the base and twist. Nothing. I can tug on it and feel like I can just pull it out. I hear people saying they think they're "pulling their insides out", but I don't get that. Not sure what else. I've tried so many things- I'm getting really frustrated!
I've read every part of this site about leaking, inserting, suction, and whatnot.... but none of the extra tips seem to help. Anything strange I should try? I would kill for this to work for me. It just sounds like such an amazing thing, if I could do it.