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The cushion is way too soft to give any support -- when I first took it out and used it I was hopeful that perhaps things would get better with use. Nope, this "support" cushion is way too soft to give any support. I wanted it to work but unfortunately it is a huge disappointment.
Got this to help with lower back pain when my old backrest had worn out. I used it for a month and my back felt worse than before. Went back to the backrest I had used before this one and back pain went away