Pan Bagnat Tuna Fish Sandwiches

Name: Pan Bagnat Tuna Fish Sandwiches
Ingredients: 3 kaiser rolls; Zest and juice of 1 lemon; 2½ tablespoons mayonnaise; 2 cloves garlic, whole and peeled, plus 1 clove garlic, grated; 2 6-ounce cans of solid white albacore tuna, drained; Fine sea salt; Freshly cracked black pepper; 2 tablespoons of store-bought tapenade; 3 leaves of green leaf or romaine lettuce; 3 slices of large beefsteak tomato; 3 pitted french oil-cured black olives (or other black olive, optional); 3 6-inch wooden skewers (optional)