Item Descriptions:

Xingyi Twelve Hong Chui (Big Hammer) is used the fist through the routine, so is called Chui (Hammer), which with more changes and difficulty. It includes advancing, retreating, rotating and turning, or bundling, unfolding, withdrawing and sending. There are both basic techniques and high skills in it. So you don't rigidly adhere to techniques and should play to the score in the actual combat.