I Turn X-Acto Blade Into Chain Handle Folding Pocket Knife

How to make pocket folding diy knife with X-Acto xacto Nº23 scalpel blade and bike chain. Materials you need: Nº 23 Scalpel Blade X-acto Blade xacto 2 mm 1/4" Carbon Steel 0.5 mm 1/5" Carbon Steel Bike Chain Regular Bike chain Hollow Pin Paper Clip Lanyard Plastic Fastener very cheap