Let your Rook "walk" along the third or sixth row!
We know that rooks need open files. But sometimes it is more effective to let them walk sideways.
Example 1-3 are taken from "Techniques of positional play"( in German language) by Bronznik/Terekhin and example 4 from "Pawn Sacrifice!" by Taylor
If you want to read more about a similiar theme: