This is my favorite DIY weapon, because of its small size, its enormous power and its good looking design!
With that pen gun in your pocket, you really feel like James Bond : )
But please be really careful with it, I am not responsible for any misuse, which can give you the information shown here.
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![](https://i.ytimg.com/vi/Tr59fkKMpHk/mqdefault.jpg)