Continue pivoting the same direction of your established rotation and move your free of weight foot backward, aligned with your lower sagittal plane, your torso torquing according to counter body movement, orienting the center of your chest to the central axis of the couple (backward ocho).
If you are in the San Francisco Bay Area and want to learn to dance Tango, you can:
I was born in Argentina. Through my family and the community that saw my upbringing, I have been intimately involved with the culture of Tango all my life, and have been an Argentine Tango dance performer, choreographer and instructor for over 30 years. I profoundly love Tango dancing, music, and culture, particularly that of the Golden Era. I am a milonguero.