This is LTMEAT (Easy), an exploit to unblock ANY website! Note that this has been patched for some time.
Patched since chromeOS v115.

Extension page (bookmark this): chrome-extension://<extensionidhere>/manifest.json
Bookmark this: chrome://hang
Extension settings: chrome://extensions/?id=<extensionidhere>
To get the ID, just go to chrome://extensions/ and find the blocking extension. Click on details and copy the part in the URL after ?id=

Instructions:
1. Click the first bookmark (the extension page).
2. Click the second bookmark to hang that page.
3. Duplicate the hanged page.
4. Go to chrome://extensions.
5. Go to the extension that you want to stop working.
6. Click the Allow access to file URLs switch.
7. One of the extension page tabs will close. Close the other one.
8. All pages should be unblocked!

Credits: Bypassi - https://ltmeat.bypassi.com/
