Thumb Thing Book Page Holder and Bookmark

I had high hopes for being able to incorporate my left hand into reading, but no. It makes the assumption that you can straighten your thumb at will and split two fingers on the left side of the spine and two fingers on the right side of the spine. Well my spasticity in my fingers doesn't allow any of them to remain straight. And the spasticity in the arm doesn't even get the hand into the correct position.
Thumb Thing Book Page Holder and Bookmark, Large (TPG-TT3) colors may vary