Leg Over Head Escape from Yoko Shiho Gatame
1. Put your right thumb inside uke's collar.
2. Press against the side of the throat with the right hand, driving uke towards your hips.
3. Raise your right leg and capture uke's neck.
4. Raise your left leg and lock your ankles with uke's arm inside for a sankaku jime. Note that ude gatame is also available on uke's right elbow
5. Sit up and turn over to get uke underneath you. You now have a holddown, choke, and arm bar!