The Grob's signature line: bait with the flank pawn, sacrifice the bishop on f7, cut the queen off with the rook, and fork king and queen with the knight.
Make room for the kingside bishop
Your pawn clears g2 so your bishop can develop on the long diagonal. This is a risky opening because the pawn moves away from your king; the following trap depends on Black chasing it.
2 more clean runs (at any point) to reach Recall.