Yin-Yang appears as a spherical form of the yin-yang symbol, split white and black by a wavy division, nearly in the Old Yin position. They have two arms and two legs, which both halves can control at their own will. Yin, the white half, is on the lower left-hand side, and Yang, the black half, is on the upper right-hand side. Sometimes, Yin is on the right-hand side, and Yang is on the left-hand side. Yin-Yang’s mouth is on Yin's side, with one eye shown black, whereas the other on Yang's side