Ka-Ching on Oxygen. Inhale and stretch upward, drop head back with face up to the heavens in a beseeching posture. Then vigorously exhale and swing down rapidly, bending at the waist and clutching your solar plexus in one fluid motion.
More advanced practitioners can allow knees to buckle to the floor.
While maintaining solar plexus clutch, roll on to left side. Begin in Upright Shopping Pose. Then, suddenly and without warning, lunge your left foot forward until your front knee is at a 90-degree angle. To come out, simply jump back to standing position and gloat. Repeat using the right leg.