Fast Slide
177 riders can do it
Sliding on your front leg with the skis turned perpendicular to the obstacle.
How do it
A slide on the front leg. You should land on it and shift your weight without touching rail with your rear leg. Best entered from a lip.
For starters, try going into a fast slide from a regular ski slide, simply by raising your back leg.
Try to increase the time you can slide on one leg.
Once you feel comfortable entering from a regular slide, try entering the fast right away.