Fred would’ve done it with a fag in his mouth 🙂
I’m not taking nothing away from these guys, they’ve clearly got some stones. But I think a lot of it is mind over matter. When I was a youth, I used to do stuff like this (nothing that high), and I was completely fearless. I’d always think – If you painted a four inch wide stripe on the floor, you’d jump around all day on it without ever falling off, so there should be no difference doing it at height (wind factor excluded). Then at some point in my 20’s, I ‘became scared’. No idea what happened, would be interested to know. But watching stuff like this these days leaves my palms sweating!