How do you get out of the trap in level 2 part 1 on that so raven 2 supernatural style

Getting out of the trap is easy. Walk to the middle of the trap and press the down button 2 times fast. In the middle of the beam trap is a trap doo, so press the down button 2 times fast. You should land on a yellow plank - down button 2 times fast. Continue this process until you hit the floor.