庚年庚月空頭斬首

http://www.youtube.com/watch?v=10co8yDv2FQ

http://www.youtube.com/watch?v=uovHrGfQwTQ

http://www.youtube.com/watch?v=c_tqkztH__U

http://www.youtube.com/watch?v=aTMTDe1rnA0

http://www.youtube.com/watch?v=ZVpdtvBAuXU