Note: Historically, those doing the 
  
Cross Cast Back 
  always passed Left Shoulders.  Then a group of callers decided it would be 
  easier if the definition were changed to specify passing Right Shoulders, and 
  began teaching it this way to their dancers.  The 
CALLERLAB definition
  of 
Pass The Axle is defined in terms of 
  
Cross Cast Back 
  (which is defined in terms of 
Trail Off, which in turn is defined as a
  Left shoulder pass from a Couple), hence the shoulder
  pass should be Left shoulders.  The moral of all this is that you
  should be aware that some dancers may insist on passing Left
  Shoulders and others may insist on passing Right Shoulders.  
We
  prefer passing Left Shoulders, but will yield when faced with a conflict.
  Please be aware that there is a controversy and try not to collide with anybody. 
EN: 70