http://www.wikihow.com/Do-a-Switch-Corked-1080-Reverse-Mute-Grab-on-Skis
It has got to be someone on NS. I was just going through wiki how cause i'm extremely bored, and found this, right under "how to do a railslide on snow skis"
The part about doing it with your pants around your knees made it so much better