Express your inner ninja not-so-stealthily with these Ninja Document Tacks. Each comes in a package of 3 for $12. Mine are already in the mail. Now, someone just needs to make a katana letter opener.
If you like this, you should also checkout Style Crave's article on weapon inspired home decor. I'm currently saving for the Assault Rifle Chandelier.
[ Source: Style Crave ]