Poster of the second form in WingTsun, the Chum-Kiu or searching the arms. Here you practise searching for the opponent s arms to make contact. While you stand the whole time in the Siu-Nim-Tau, you learn part of the WingTsun step work in the Chum-Kiu. This form, which is divided into four parts, is taught to students from intermediate level upwards.