This is a video from Veritasium highlighting the no-string-attached yo-yo tricks of Ben Conde and the physics that make them all possible. Physics, please, I can recognize a person who's sold their soul to some sort of horned demon god for leet yo-yo skills when I see one. But this guy is not one of them. No, I suspect this man was simply TRAINED by some sort of yo-yo demigod. Perhaps even an elven queen. Or -- OR -- maybe it's-- "Physics." Well I mean, sure, I guess you can't count out any possibility, no matter how insanely unlikely.
Keep going for the video.
Thanks to Darryl, who agrees the best no-string-attached yo-yo trick is telling someone to watch you do a trick then whacking them with the yo-yo Rygar style.