Mr Ng asked for a volunteer parent or guardian to come in front to be his model as he demonstrates the right way of bandaging using the triangular bandage. He then proceeds to demonstrate the steps in making an arm sling. STEP ONE: Bandage between body and arm, straight edge lies on uninsured side. STEP TWO: Tie lower end of the triangular bandage to the upper end. STEP THREE: Once secure, the casualty let go of arm. STEP FOUR: Fold over the pointed end.