How to make a Replica of the Spy’s Butterfly Knife from Tf2

MENTLEGEN... This is a video on how I made and how you can make a realistic and working replica of the spy’s butterfly knife from tf2. I filmed it with my camera and uploaded it from my PC this time for HD quality! Woohoo! Anyways, please enjoy the video and suggest future builds and comment if you can. BTW, here’s a link to a picture of the finished knife: link to a really good balisong trainer that I bought. M