This article has been viewed 67,483 times. Hold the casing horizontally and locate the side spring chamber hole closest to where the blade base mounts. When using an angle grinder, you should also wear fitted long sleeves and leather gloves, and should stand so that the disk is not facing your body. Bend the aluminum rod where the switchblade ends, so that the rod comes up to meet your hand, where the key ring will be around your finger. The real hidden blade will need to move freely inside the chamber. Allow the cold weld compound to set according to manufacturer's instructions. After making a video on YouTube that showcased my first design I received endless requests to make … Stretch the other end of the spring, holding only the spring hook, to the other end of the hidden blade casing and attach in place. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. Clamp the end of a switchblade blade to the end of the other piece of aluminum flat bar. Unscrew all of the casing screws. To create this article, volunteer authors worked to edit and improve it over time. The loose end of the spring should be exposed. % of people told us that this article helped them. You may opt to build a real hidden blade yourself, with items that you find around the house and items you can find at any home improvement store. Trace the blade end onto the opposite end of the aluminum bar, then use an angle grinder to cut the aluminum bar into the shape of the blade. All tip submissions are carefully reviewed before being published. Unscrew all of the casing screws. Learn more... A hidden blade is a knife that is housed in a casing, which it extends and contracts from in order to transition back and forth between visibility and invisibility. Thanks to all authors for creating a page that has been read 67,483 times. You will be using the switchblade blade as a template for your real hidden blade. To create this article, volunteer authors worked to edit and improve it over time. wikiHow is where trusted research and expert knowledge come together. Hold the aluminum rod so that the end opposite of the key ring end is aligned with the switchblade trigger that is farthest from the blade opening. Insert a file into the blade chamber and file away any metal shards. It is sometimes attached to the wrist in a way that conceals it from sight, as popularized by the video game "Assassin's Creed." Set the screws in a safe place for later use. Take off the casing face to reveal the inside parts of the switchblades. We use cookies to make wikiHow great. Attach its hook at the base end of the casing. Use the angle grinder to cut out the metal stopper at the end of the blade chamber on the other, longer casing face. By using this service, some information may be shared with YouTube. Test for proper casing alignment by inserting a blade into the casing and sliding it all the way to the end. The result should be a blade chamber that runs the entire length of the casing face in a uniform width. Hold the face next to the casing to mark the cutting line with a permanent marker before cutting. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. Functional Retractable Assassin's Creed Hidden Blade (Xiphoid): About a year ago I was inspired by a friend to make a xiphoid, commonly known as the Assassin Creed hidden blade. Follow these instructions for how to make a hidden blade with household materials. Set all parts aside for later use. Fit the casing face that covers the spring hook in place. Screw the casing face to the casing. 1. Always wear safety goggles and ear plugs. Cut the end off of 1 casing face at the same place you cut its corresponding casing. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Include your email address to get a message when this question is answered. Use either your fingers or needle-nose pliers to insert the doors and small springs back into the side chamber holes in the same positioning as they were before you removed them. Remove the trigger (the part used to engage the extension and contraction actions), spring (be careful not to bend or stretch it), mechanism, blade rivet and blade from the casing. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. Cut the thick aluminum bar to the length of the combined switchblade casings, plus enough extra space at each end to attach wristbands, if you want to create an Assassins Creed wrist blade. Set the end-to-end switchblade casings on the aluminum bar. 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