3 Part Lesson -- Marcelo addresses several components of his signature Butterfly Sweep: Close the distance and pummel for an Underhook. Derive power for the lift by keeping your toes on the mat while kicking the opponent up and over. Twist the opponent's upper body, guiding his or her back towards the mat. [03:36] If your opponent blocks the first attempt, quickly regroup your limbs and apply a second Hook Sweep to the opposite side. If your opponent bases out with his or her leg to stop your sweep, use your bottom leg to wipe out his base and finish the rotation. If you cannot reach his or her leg with your foot, you should instead transition to X-Guard. [10:28] Make sure to shove the opponent's elbow inside with your hand; this helps with the rotation as well as defends against an Underhook.