Yin Fu was famous for the continuous chuanzhang, and his style uses this technique a lot. Although MaGui style prefers the zhuangzhang, smaller and lighter people should practise the chuanzhang to be their most effective.
This trains small koubu and small baibu steps, and chuanzhang with advancing and retreating steps, with switchover steps, with advancing step, thread the flower and hit the tree, point east and hit west.