Is there a such thing as razored yoyos?

I mean by that is yoyo with pop out razors real or possible to get on the internet. Also, what martial art do you feel is better, Eagle Claw Kung Fu or Ninjutsu?|||I read about a similar device in Chinese legend called a Flying guillotine.


http://en.wikipedia.org/wiki/Flying_guil...


I think ninjas are cool in the movies, just don%26#039;t try to imitate one in a real life situation.|||yes, WING CHUN|||Have you seen Kill Bill vol 1 with that fight in the Japanese restaurant, is that the weapon you are talking about.|||Actually it is possible, but a wepaon of that type would require a license and cost a serious amount of money, but would be completely useless. And Eagle Claw Kung Fu is epic.