You have heard of donor cycles. I think these guys might be in the same category. My question is: If I get the guys liver or kidneys etc. after he paints himself on a rock.... am I going to wake up and see my risk tolerance meter pegged? Also, is adrenaline toxic at high doses?
OK, actually I am a bit jealous.... there I said it.

all I can say is WOW!

I guess we'll all miss their videos when their gone!

Good stuff, I sure didn't know they went that fast or had that kind of control. Great video.