I bought this on the advice of my physio to help me in the water for rehabilitation purposes as I have spinal issues. It is excellent for supporting my back to let me get swimming on my back. I use mine along with a nek doodle
“hard to find in the UK”
Water is the best therapy for most.
It’s not what you can’t do it’s what you can use to help you do what you can. Quitting is not an option.
Decathlon try to source kneck floats for adults. I had to get my nek doodle from the USA