Your babies love you like you do them, and they will love playing with you any way that they can. I truly hope that you feel better and that you are free from pain very soon. I did a little research, and the first link talks about the kinds of pillows that might be helpful for you, and the second one shows a variety of pillow types. Please take care of yourself, and get well soon.
CUSHION for TAILBONE PAIN (coccyx pain) Search results for "coccyx" in AllegroMedical.com