Easier way to make your own blade vault . Get and old vitamin bottle with a flat cap that is wide enough to make a blade slit in . Get a nail that is about 18 in diameter and a long pair of pliers . Heat the nail up over a flame , stove , lighter , etc while holding it with pliers . Then take the hot nail and plunge it into the lid and draw the blade slit . Reheat the nail if necessary . Then screw the lid on and take a strip of duct tape and tape the lid on so it can accidentally come undone . Then write in big letters . SHARPS ! Discard properly when full . varies by local <| sep |> So , you ' ve barely tested him out , but you feel he needs to be changed to be viable ? No , he ' s plenty viable , he ' s just got a high skill floor and an even higher ceiling . He ' s tricky to use , but if you can use him well , you ' ll do great .