Here is a pretty insain video of a couple guys 'ski gliding' from the top of Mount Eiger in Switzerland. What this basically means is these guys have the skydiving parachutes on and skis. Next they push off the top of the mountain and ski/glide down the mountain. They really don't use the skis very much as there is a lot of rock that they are flying over. But what they do use the skis for is to slide and push off various snowy areas. They go down the one slope of the mountain and then turn right down a basically sheer drop and just glide from that point.