Introduction: Hidden Blade Final Version

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About: I'm a 13 year old boy who really loves machines and other metal projects, except that, I don't have enough materials, so I save up some money to buy parts. I'm addicted to assassin's creed and its weapons...

How to eject and retract? Phew, its simple, all that's gonna do all the work (eject and retract) is simply a "lazy tong mechanism". In my video, (well, its not actually my video) you can learn about the details...

Actually I'll post this concept in 2 ways:

1. Video
2. Picture (slideshow)

Hope you can understand and enjoy!