While the front axle resembles the layout of an automobile, the rear axle shows more parallels to a motorcycle. (speedsportlife.com)
Streamlines baby's head aligned more parallel with mom's breast (in side - lying put one edge of pillow as a support under baby's head, and the other side of the pillow under mom's breast when mom and baby are breastfeeding lying down facing one another). (breastfeedingbabycomfortably.com)