i had lower back problems and sciatica. an opportunity arose for me to buy Designo seats
off a totaled 210 so I grabbed them. arguably, it would have been less expensive for me
to try other appliances such as inflatable lumbar insert, pillow from goodwill, etc. but the
Designo seat did help quite a bit.

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-- raymond~
47º 34'N 122º 18'W