try a very low speed approach with full flap. say at about 45kts ias. if you are too high on approach and apply full slide-slip (max rudder)
an instant and complete tail-plane stall with sudden violent nose down pitching moment.
This is a design feature, to save the undertakers (morticians) a job in burying people trying to win a Darwin award and remove their genes fromm the pool , for the greater good of humanity.