Mix some salt and ground chile powder in a plate. Using the 1/2 lime rim the glass/beer mug all around until well coated with the lime juice. Turn the glass/beer mug upside down and cover the rim with the chile salt mixture. Turn right side up and add the ice cubes. Pour the juice from the 2 limes into the glass/beer mug, add the worcestershire sauce, Tabasco, black pepper, ground chile powder, salt and tomato juice. Stir until all ingredients are well combined then pour in the beer, mix and taste. Adjust anything if necessary.