1) Preheat the grill.
2) In a large bowl gently toss bread crumbs, herbs, olive oil, salt and pepper. Be careful not to overwork the mixture. Set aside.
3) Line a baking tray with salt and arrange 12 clam shells on it. Put one clam in each shell and top with 2 tablespoons of the bread crumb mixture. Drizzle with olive oil. Grill for two to three minutes.
4) Serve immediately.