If she's just being bratty, you can try the rope thing, but that's more of a training "how-to-do-it" to me. What I've done, especially with a helper to hold her, is I hold up her foot and don't let go. If she's stupid enough to lean on you, let her go down WHILE YOU ARE STILL HOLDING HER FOOT... she doesn't want to fall trust me. But you can't do this with her tied. If you are close to her body, and holding her foot, she can't do much harm to you. You may have a few bruises, but she can't effectively kick you like that.