Cracking is prepared by boiling the pork rind in water seasoned with a variety of spices. Another method of cooking is to deep-fry the rind and season to taste. crackling bread is like cornbread with fatback ( bacon fat ) mixed up in it. The Crackling in crackling bread is the crisp brown skin with a crisp layer of fat that is created when pork skins are cooked. It is known as Pork crackling or Chicharon and is a popular food in the southern U.S., it is commonly served as a snack.
Thrown connecting rods are generally caused by poor lubrication or overspeeding the engine and exceeding the maximum rpm limit. Overspeeding the engine can be easily caused by a propeller with too little pitch.
If the situation is really bad it can even be caused by the rod itself contacting the crankshaft journal (where the bearing has become out of place). The most common cause of rod knock is due to a spun bearing (bearing itself actually spins in the end of the rod so it becomes out of position).