Grilled Barbecued Oysters

1/2 cup hot sauce
1/4 cup Worcestershire sauce
2 tablespoons lemon juice
1 tablespoon olive oil
1/4 teaspoon salt
1/4 teaspoon cracked black pepper
4 garlic cloves - minced
4 dozen oysters in the shell - scrubbed
1/4 cup chopped fresh flat-leaf parsley
8 lemon wedges
 
Directions 
Combine the first 7 ingredients in a small saucepan, and stir well. Prepare grill. Place saucepan containing barbecue sauce on grill rack. Place oysters on grill rack, and grill 5 minutes or until a few oysters begin to open. Remove oysters from heat. Carefully open oysters with an oyster knife, leaving on the half shell.