The Dui Trigram is represented by the Monkey. The energy of the Monkey System is characterized with the Enfolding Energy or Compacting the Body Force, in which the body contracts in on itself to generate power. The Monkey System may utilize a downward squatting force to drive an opponent to the ground or various leg techniques ranging from powerful kicks to interlocking takedowns. The Monkey guard posture stems from the cross arms which compress and expand with an inward and outward flex. The arm techniques favors multi-dimensional fist and segmented strikes for defending, grasping, or attacking - containing both obvious and hidden leg techniques. It's striking methods are: Bending, Stomping, Straightening, Hip, Chopping, Swinging, Stopping, and Ending.