Rollerblading, also called inline skating, is a really good way to develop a lot of the same skills that you'll need for good skiing. And you can do it even if there's no snow. The drill here, when it's done on skis, it's called one-legged roller blade turns, and they are really good for your balance. Here I'm doing it on a road that's got a hill to it. And before you try it on a hill, you'll want to do it on some place flat. If you get so that you can do this slalom on one leg, on roller blades, it's going to help a lot for your balance on skiing.