TIETOUGONG (THE EXERCISE OF HEAD TRAINING)
Tietougong is one of the unique skills of shaolin kung fu. for example a famous shaolin monk called hong chan could still walk at a brisk pace with a stone block weighing 170kg on his head at his age of 80. if his head bump against a big stone tablet, it would be broken easily. so he was honored the iron head arhat.
before practising this kung fu have a Chinese medicine pill which is called "xinggong meizhuang wan" with shaoxing wine. after a while stand and concentrate the qi to the dantian (3inch below the navel) and direct it up to baihui. then prop the upper jaw with the tongue close the mouth breath in with the nose and at last direct the qi to the whole head with fists, then hit the forehead with a wood brick or an iron stick. through along time of training the head dash against a rock block, it would be smashed into pieces. if the head bumps against a iron plate it will be caved in, and if the head run into a person he will die.