First thank you 
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Because of Piriformis Syndrome, I have not been able to sit down for 10 months now. It feels like sitting on golf balls, I’ve heard others say too. How lucky I found your positioning cushion: Seat (for the dining room) and Multi Medium for sofa and car. They make a big difference, since the relief of the muscle is part of the treatment and no one can cope with all the waking hours.
Jane Lolk
