hello,,,just gave my focus a service today,,,new oil and filters,,,all straight forward enough apart from the oil filter what sits in the plastic housing that has to be unscrewed from engine,,,it has plastic tabs holding it in and only after watching a youtube video and rolling up some cardboard into a tube was I able to eventually get it out without breaking anything,,,is there some kind of tool you can buy for this I wonder,,,??? how do others manage with this problem,,,???,,,just so I know for next time,,,cheers......