When the castled position is weakened by the advance of the g-pawn, the rook, supported by the bishop on the "highway" often delivers the final blow along the h-file.

(1) Vilen - Strong
[Victor Henkel]

In the game Vilen - Strom (1933) the bishop on d4 dominates the main thoroughfare, while the rook is lurking on the h-file.

1.Bxe4 dxe4 2.Qh5!
[He cannot take the queen because of 2.Qh5 gxh5 with mate on the following move. 3.Rg3+ ]

[2...Bh4 hoping after 3.Qxh4 f5 to organise a defence, But now it is quite easy to find the concluding blow]

3.Qxh7+ Kxh7 4.Rxh4+ Kg8 5.Rh8# 1-0