1. You have to keep pumping if you want to get anywhere.

2. It's best to wear protective head-gear when going into unfamiliar territory.

3. You can do it with no hands, but it's best not to try it until you have a lot of experience.

4. It's easier to learn with the help of someone who has a lot of experience.

5. You can do it by yourself, but it's usually not as much fun.