A simple and effective way to take the back from the north-south position that your opponent won’t see coming taught to me by Erik Paulson. Grab my free BJJ app to get more techniques, tips and training articles on iOS https://apps.apple.com/us/app/bjj-master-app-by-grapplearts/id1308072068 or on Android here https://play.google.com/store/apps/details?id=com.grappleartcontainer