It's not so extreme as long as you stay smart about it. You'll get cuts and bruises, maybe a sprained ankle, just like any sport. The best safety equipment is your head.

He was laughing and embarrassed and wanted to go back to his mine.

But you don't want to be doing anything over 10 feet very much.

I went out there to make sure it was a real call.

In the past five years it's gotten big in the (United Kingdom). In a year or two, I think it will be popular in the U.S. It's still kind of in its infancy.

The competition is with yourself, to be better than you were before.

Sometimes we are asked to leave (private property), and we do. But on public property, we feel we have the right to be there.

Being chased and how to escape is one way to think about it.

Legs are the most important, especially for landings. It can really hurt. If you don't have strong legs ... you are going to collapse and hurt yourself.