1 MIDDLE ONE 2 Pack Small Pillow, Memory Foam Mini Pillow 11 X 7 Inches for Travel, Sleeping, Nap and Neck, Knee, Lumbar Support, Tiny Cushion for Pet, Dogs (Black)

I’m not sure if this is what you’re looking for, but I have been using these little pillows to support whichever body part happens to be angry on any given day. I like that the zipper allows you to remove or add stuffing so you can customize how firm you want it. https://a.co/d/0h65ABCM