The addition of "extra quality" is a modifier used to filter for high-bitrate files, such as Blu-ray rips (BRRip), Remuxes, or 10-bit HEVC files, rather than low-resolution camcorded versions. Why Do People Use Them?
Instead of encouraging unauthorized distribution, here’s a that could legitimately help users organize or search their own media collections or legal public-domain movie directories: index of parent directory movies extra quality
In web server terms, an "Index of" page is what happens when a server is configured to show the contents of a folder instead of a rendered webpage (like an index.html ). The addition of "extra quality" is a modifier
intitle:"index of" "parent directory" "1080p" OR "BluRay" (mkv|mp4) -html -php 📂 Indicators of "Extra Quality" such as Blu-ray rips (BRRip)
Accessing or downloading copyrighted movies from such directories without permission may violate copyright laws in many countries.
Instead of scouring the web for unstable directories, you can get "extra quality" content through legitimate means that offer much higher security and reliability: