Almost Ezio-quality hidden blade :)

Full costume or 2010 Halloween can be found at the link below:

Step 1: Ingredients

This whole blade was pretty cheap. Price breakdown:
  • Drawer sliders (2) @ $3 for 2 sets (Axmans surplus store!)
  • Ring @ $1.50 each (Target clearance shelf)
  • Rubber bands @ practically free...
  • Letter opener (AKA blade) @ $1 each (Office Depot)
  • Cotter pins (2) @ ~$0.20 each (Hardware store)
  • Nuts-size 6
    • brass ones (11) @ $0.09 each (Hardware store)
    • steel ones (~12) as filling on long bolt @ $0.08 each (Hardware store)
    • size 10 brass @ $0.25 each (Hardware store)
  • Washer
    • size 6 (8 of them) @ $0.08 each (Hardware store)
    • size 10 (8 of them) @ $0.08 each (Hardware store)
  • Bolt
    • tiny size 6 (8 of them) @ $0.08 each (Hardware store)
    • 2" long size 6 @ $0.08 each (Hardware store)
  • L-brackets (8 of them) @ special discount, I got 100 for 35 cents :)

That adds up to about $10.50
Not bad!!!
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What do u recommed using to have it attached to my forearm? Rubber bands? Velcro strap?
<p>I recommend elastic bands. I used elastic bands sewed to a glove in the front and a simple elastic strap in the back (lower forearm). Velcro would also work really well</p>
With 1 drawer slider, can i make 2 blades?<br>If not i havent bought the materials yet so just wondering
Actually, I used 2 small length drawer sliders to make 1 hidden blade. It depends on how long you want the sliding distance inside the blade and on what length draw sliders you start with. I got my drawer sliders dirt cheap so I had no qualms using 2 to make 1.
For 1, what size do u recommend?
<p>8&quot; is a rough estimate of the length of each half of the hidden blade. So you need two 8&quot; sections.</p>
Sorry, ment to say 2
Can it be retracted when the string is pulled again?
When the string is pulled again, the lock disengages and the blade can slide back down (not spring forced down though)
Can it lock in place?
<p>yes but not for a ton of force</p>
Ok good to know!
<p>OK, In the drawer sliders, Do I saw off the drawer that the blade goes into?</p>
I think I understand the question which tier do you cut
I'm not quite sure I understand your question but I think the answer is yes. You want to cut the drawer slider to the right length. You are only cutting one end of the drawer slider though. Is that what you are asking?
can u sell me two of these i honestly will send you mony please respon
<p>nice I could use this</p>
Hi there, <br>I was just wondering what kind of drawer slides you used, and whether you have any links to websites where I could buy them. <br>-Thanks
I would try looking locally as it will probably be cheaper than online (shipping). You are looking for something like <a href="http://www.amazon.com/Full-extension-Drawer-Slide-100-lb-Capacity/dp/B009AEBM40/ref=sr_1_fed0_1?s=hi&ie=UTF8&qid=1354634841&sr=1-1&keywords=drawer+slide+10" rel="nofollow">this (amazon)</a>. The other reason I would recommend shopping locally is that you get to actually see what you are buying. It can be hard to tell online what you are buying a lot of times. Although I'm sure you know all of this already. No promises that that is the right drawer slider, but it looks right to me in the picture and is the right length. Good luck!
<p>i would really like to make that but i cant because im in greece.if i could i would buy 2 of those for the double price</p>
How does it retract????
I believe it's just gravity, the lock connected to his finger opens and he holds his arm down to extend it, then he loosens his hand to close the lock. To retract it, he holds his arm up and releases the lock, then locks it again once it's in.
thanks, still working on it, i'll finish eventually
You can also make the 'key' sideways to get a slimmer design
Thanks! Having a hard time, but I'll get it eventually! <br>
VERY NICE. I just loved your instructable and I'll be doing it this month. Perfect, for real!
Ideal for a terrorist neophyte. As usual, the TSA would be helpless against this. But they are mostly useless anyway.
I feel like you could use a smaller U bracket and smaller bolt for this step, and would reduce much of that clutter from the nuts.
I think im gonna try a double spring action so its auto in/out...ill let everyone know how it goes
I've been trying to make a hookblade (without the blade) for ages, I would use it as a climbing hook for Parkour.. can someone give me some help?
you mean basically a crowbar shape? but lighter I assume. Were you thinking retractable? if you let me know a few more details such as the length desired I could draw and send some designs to you if i think of anything. As a separate suggestion, I have had some success in pursuits by using poles with a hook at the end (8 foot long poles) and grips twisted into the pipe. The pole allows you to vault, swing and hook assuming you can climb a thin pole and know how to vault. It comes in quite handy and allows you to reach many inaccessible places. The downside being that it isn't concealed easily...
You could probably use a pen tube instead of all the nuts.
ideas like that are why I love ibles
is it retractable
Is it wise to be instructing people on how to build concealed weapons? What happens when this technology makes its way into our schools? Seriously. Many schools already have security and metal detectors. One kid gets stabbed by a weapon like this and instead of starting the day with the Pledge of Allegiance or kids are going to be starting the day with a morning TSA Style Pat Down.
dude, I think that any kid even if they are stupid wouldn't be that stupid.
you are underestimating just how stupid, stupid kids can be.
yeah, but you are assuming that most kids will take the opportunity to stab their enemies in a school. Not the case. If a kid is going to be stupid or try and stab someone, not knowing how to make and assassins creed style blade will not stop them. A regular old pocket knife will do. Or a chair. Or a pencil. Or a gun. We are surrounded by weapons, some more potent than others, and we have to trust one another enough to assume we won't be stabbed at any given moment....
Yeah its true if a kid is pushed to the edge and they snap they might try to get that kid with anything they have at there disposal, but many kids will bide there time, take time to make a hit list and that kind of stupid thing. Kids can have a flair for the dramatic. You can't tell me that the Columbine kid wasn't thinking about &quot;The Matrix.&quot; when he shot up his school.
It doesn't matter if a kid is going to take their time or not... There are many more instructions for making weapons all over the internet. Complaining about this one specifically isn't going to do anything to hinder the hundreds, even thousands of others that are posted all over the web.<br><br>If a kid is stupid enough, and angry enough, to want to kill others, you can't blame the people who are teaching others to make weapons. Knives, guns, and any other kind of weapon DON'T kill people. People kill people. Someone with the intent to kill others is going to find whatever way to do so that they can, with or without the internet's help.<br><br>As far as your comment about The Matrix goes, maybe he was, and maybe he wasn't. The point is that it isn't the media that is killing people. Games like Grand Theft Auto or Saints Row aren't telling people that it is okay to kill others. The only kids that will be &quot;stupid&quot; enough to start having thoughts like that are kids who have some kind of mental instability. There are far more normal, non-violent children than psychopathic potential murderers in this world.
I think you're over estimating our stupidity.
Exactly. Many people who view this may be like me, wishing to make a prop version for recreational use. My Parkour group is beginning to lean towards an Assassin's theme, and making a paper or cardboard blade like this would do wonders for our demo videos. <br> <br>I have seen much worse stuff than this on the internet.. I can tell you how to make napalm at home for roughly $5 per gallon, I can show you how to make an RGD-5 Hand Grenade, how to dig and cover a pungee pit to match the location. I can tell you how to make a throwing knife out of a blank CD, and a caltrop out of needles. I can build a small forge and forge knives with old soda cans. I learned all this from the internet, and have not ONCE seen ANY of these employed in a school. At my high school, there have been bomb threats and gun threats, and many kids carry knives for their own protection, but not one of them would bother attacking someone in a place with cameras and police officers. <br> <br>Even mentally unstable people have a basic grasp of common sense.
Its not like he's teaching them how to make a shank. Hes not teaching them how to make a weapon specifically to shank someone. Besides, If a kid tried to shank someone at school. why make this. They would use a pencil instead anyway. <br>
Start the day with the Pledge? I start third hour with the Pledge.
The internet teaches makes technology far worse than this readily available to anyone with an enabled computer. It is (arguably) a drawback of the internet. But it is a reality. Information is becoming free, and responsibility is becoming more and more personal. Complaining about it won't change it, nor will anything else. Take steps to adapt to it and move on is my philosophy. If you do not want to view such content, or do not want your children to view such content, you have the ability and responsibility to block sites and monitor internet activity until your children are responsible enough to make their own decisions.

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