IF YOUR GIRL HAS BACK ISSUES, GET ONE OF THOSE YOGA PADDED TRIANGLE THINGS. IT WILL HELP HER ARCH HER BACK WITHOUT PUTTING TOO MUCH PRESSURE ON HER BACK.
COSWE Wedge-Shaped Pillow, Inflatable Triangle Lumbar Pillow, Inflatable Posture Pillow, Suitable for Various Postures (Wedge-Shaped) Amazon.com
IT HELPS WHEN YOU'RE ON A SURFACE TOO LOW TO THE GROUND. TOOTS THE BUNS UP A BIT.
COSWE Wedge-Shaped Pillow, Inflatable Triangle Lumbar Pillow, Inflatable Posture Pillow, Suitable for Various Postures (Wedge-Shaped) Amazon.com
IT HELPS WHEN YOU'RE ON A SURFACE TOO LOW TO THE GROUND. TOOTS THE BUNS UP A BIT.