Essentially, you can build a list of items that you want protected by Vault, and then, when you go to a vendor, even if you right-click to sell, the mod will prevent you from selling it and tell you. It actually does prevent you, too. This isn't a buyback thing, the item will not leave your bags no matter how much you right-click.
The cookie settings on this website are set to "allow cookies" to give you the best browsing experience possible. If you continue to use this website without changing your cookie settings or you click "Accept" below then you are consenting to this.