This Is Your Brain on newborn pillow
http://beckettloxs921.over-blog.com/2019/08/baby-donut-pillow-the-perfect-item-to-help-prevent-flat-head-on-baby.html
It really works at the start for my four months, but then he can flip his head effortlessly right after a few times using it, I don't Consider it really works. Also my child's ears preserve folding up when he is