Suggested by my Chiropractor I've been using an inflatable lumbar support in my rig with excellent results for over a year. I've tried everything and this is by far the best solution I have used.

Amazon link if you need it. Sometimes this link will show not available if they run out. If so, just search "inflatable lumbar support" Many other vendors sell the same thing.

https://www.amazon.com/InflatableSup...