Get a thick leather gauntlet and some meat on a length of rope. Attach the meat (sausage or bacon will do) to the rope. Do not attach onions or tomatoes as they simply will not work. It must be meat. Swing the meat on the rope vigorously around in a large circle in front of an Argy and then throw it directly towards a Rex. Follow me for more useful tips and tricks for playing Tomb Raider!