Watch Jackie Chan And Olivia Munn Answer Martial Arts Questions From Twitter

The pair star in "The LEGO Ninjago Movie."

Ever wonder how people who do martial arts are able to break through cement with their hands? How about why Jackie Chan loves doing martial arts with rugs? Or the best tactic for blocking a knife with your hand? 

Well, people on Twitter sure have, and they're in luck because those questions — and a few others — were just answered by Chan himself. In anticipation of their upcoming animated film The LEGO Ninjago Movie, Chan and his co-star Olivia Munn stopped by Wired to participate in their Tech Support video series, where celebrities answer questions from Twitter users. This time around, Munn read questions about martial arts and helped Chan demonstrate the answers. 

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So, what is up with the rugs? Chan revealed he enjoys experimenting with different objects as weapons. "I can use anything as a weapon. When you've done over 200 movies, you have to find something different to make it interesting!" he replied on Twitter. 

Later, Chan and Munn demonstrate how to break a board in half with your head, how to take down someone with a knife, and how to tie a martial arts belt. 

So be sure to check it out the video below:

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