Originally Posted by GSmith

I keep my left pedal loose. It was set that way at the LBS during my initial fitting with shoes - I had a broken ankle recently, and the first time I unclipped from the default pedal setting, it didn't feel good. My ankle is 98% now, and it gives me no problems when I ride, but I keep the left pedal, which is ALWAYS the one I clip out of (as others have said, pick a foot and stick with it - I go left because i prefer to be leaning towards traffic instead of huddling against the curb at a red light) at low to medium-low tightness. Personally, I don't see the advantage at all to setting it high, in my opinion if you're accidentally clipping out of a pedal set low while riding, you're rotating your ankles side-to-side (laterally?) far too much. There's a reason 'floatless' pedals are the eventual goal.