Tyson skips so fast for a heavyweight. The way Liston skips I just the get a feeling of power and intimidation, I don't know why.
The stuff that Floyd does isn't hard to learn at all. Viloria does some stuff that is more difficult to learn but is manageable. Even though it looks flashy at times the way boxers jump rope is extremely monotonous for most of the time and it's the way it should be too since you're preparing for a fight not for circus performance. If you think that boxers are impressive at skipping rope watch this: https://www.youtube.com/watch?v=J077NL55p5c https://www.youtube.com/watch?v=th9doc-A9B4