2.1.2 This is another deceptively simple change that
develops the chuanzhang with the following step.
Description: starting in dragon form with the left hand up.
Action One: Koubu
Action Two: Baibu left chuanzhang (palm up).
Action Three: Step press into chuanzhang, staying on the
same side, with a following step. Do not reach when moving forward.
Action Four: Go directly to dragon walking posture
