Welcome to our new beta design! Click here to go back to the old Newschoolers.
I had this happen on my look px12's twice. And theres two differne things that happened. One was my foward pressure was not set right. So just up that and there you go. Another (which explains why your heel would wiggle) is that your holes for your bindings bowed out, making them more oval and your bidnig just moves in that. Which would necessatate a remounting.