in the juken video, we see surfer jamie o'brien catching a wave right off the coast in california, an area known as the wedge. >> go, wedge. >> that can be intense, the wedge. >> starts paddling out, right? on the wave, he's about to catch it on his board but he's got two boards, not just one. >> what? >> he's riding the other. >> oh. >> he switched boards. >> why would you do this? trying to test them out? see which one you like better? >> you know whye's doing it? because he can.wls exetion of t board transfer, he the first board was close, could have hit him. >> could have hit all of the other surfers in the ocean. >> if you want to be that cool, you've got to be a little reckless. >> got to be reckless. >> and then disappears. >> now check this other one out. this is a x1 water bike. video shot in lake tahoe. this guy's biking his way through the lake. >> what's the extra handle bars? >> steering with it. >> oh, yeah. it's like a rudder. what i like about this, even though he's cycling on the lake, he's wearing ridiculous cycling outfit. >> if you like cycling and the wart, do bot