Frijoles a la charra de la Reina
pinto beans (about 1 kilogram) • hot dogs (8), sliced • raw pork skin, frozen (about 500 grams), cut into cubes • sliced bacon (about 300 grams) • cilantro • garlic • medium onion • small can sliced pickled chili peppers • beer (preferably not light) • serrano peppers • Salt, to taste