In this Mumbo redstone video, Mumbo builds up a secure minecraft vault where you can safely store your diamonds in minecraft. Making use of combination locks, item locks, piston doors and Key card systems, each one of these designs can be built quickly and easily. Filming channel: https://www.youtube.com/user/ThatMumboJumbo2 Instagram: https://www.instagram.com/officialmumbo/ Twitter: https://twitter.com/ThatMumboJumbo