sit and decompress the ultimate low back therapy sit and decompress back stretcher 3 minutes a day lumbar traction spinal decompression - inversion table alternative (medium harness no bar) medium harness (no bar) is up for auction in Health & Household. The current bid is $2.00, 94% below the $35.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.