A Stabbing Good Time Ask any passionate cosplayer and they will tell you that the right props & accessories are key for taking your costume to the next level. There are tons of slasher, serial killers and mass murders who show up every year at cosplay events, costume parties and LARPing outings around the world. Though to pull these costume concepts off, you need the right tools for the trade. That’s where this Deluxe Retractable Knife set comes in perfectly. A Retractable Knife Set That Won’t Cut A Chunk Out Of Your Budget Right off the bat, you have to love the friendly price tag of this Deluxe Retractable Knife. It looks just like the real thing except when you try and pretend to stab something it retracts into the handle.