Lesson
White to move. Main line: 1. Rh7#
The knight on f6 does two jobs at once: it guards the rook’s mating square h7, and it covers the king’s only escape square g8. The rook just has to arrive.
What makes the Arabian mate practically important is how often the ingredients occur: a knight landing on f6 (often with check) is a common attacking motif, and a rook lift to the h-file completes the picture. If you know the pattern, you can steer whole attacks toward it.
Compare it with the smothered mate — both exploit the corner, but here the king is trapped by the attacker’s knight rather than by its own pieces.