So... I got sick of my spine being in pain after long trips because of the stupid headrests so I took matters in to my own hands with great results.
Before:
After:
Method:
The posts stayed straight, the seats now feel amazing, and I recommend this to anyone who is uncomfortable due to the headrests.
Before:

After:

Method:

The posts stayed straight, the seats now feel amazing, and I recommend this to anyone who is uncomfortable due to the headrests.