page 8-50 of casebook, play 8.8-64
Ruling:  No penalty.  The fake throw nullifies the look back rule (8-7T). 
Wished the rulers would have stated when the lbr goes back into effect on a play like this.  In addition, do not remember any clinician discussing this type of play.  
So,  waiting for guidance and the reasoning.  Then i can answer the questions
