Grilled Rock Lobster Tails
["6 frozen rock lobster tails, thawed", "3/4 c. pineapple juice", "1/2 c. packed brown sugar", "1/4 c. cider vinegar", "2 1/2 tsp. dry mustard"]
["Cut", "underside\tmembrane", "of", "lobster", "tails and around edges and", "remove.", "Insert skewers lengthwise through meat to keep tails flat during cooking.", "Place on grill about 4 inches from coals, flesh side down, 3 to 5 minutes.", "Turn, brush meat with", "a mixture of pineapple juice and remaining ingredients, and continue grilling until meat is opaque and tender.\tBrush meat several", "times", "during", "cooking", "and", "again", "just before serving. Serve with remaining sauce and lemon wedge."]
["lobster", "pineapple juice", "brown sugar", "cider vinegar", "dry mustard"]