How to get baked-on protective plastic film off hardware

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

1. 1
   Using fingernails
2. 2
   Using a plastic scraper
3. 3
   Applying cleaning vinegar
4. 4
   Using a magic eraser
5. 5
   Applying Simple Green
6. 6
   Using acetone with a plastic scraper blade
7. 7
   Picking at the residue manually
8. 8
   Using Goo Gone or petroleum distillate cleaners
9. 9
   Applying olive oil, mineral oil, or silicon oil to dissolve the adhesive
10. 10
    Using a plastic scraper or old credit card
11. 11
    Wiping with 70% isopropyl alcohol and a microfiber cloth
12. 12
    Pressing strong tape against the residue to pull it off

In their words

Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.