Doesn’t work for me. I used to be able to read in cars but over the years I’ve reached a point where I last maybe two minutes, except if I’m on a straight road

Doesn’t work for me. I used to be able to read in cars but over the years I’ve reached a point where I last maybe two minutes, except if I’m on a straight road where it takes longer. I was really hopeful this would work but clearly it doesn’t .