Whether it's a two by two piston door, or frankly any kind of Redstone-activated mechanism ... Thanks to this secret lava entrance, you can convince your friends this small pit of lava is just ...

BEVERLY HILLS, CA - FEBRUARY 10: Sumner Redstone arrives at The Hollywood Reporter's Annual Nominees Night party held at Spago on February 10, 2014 in Beverly Hills, California. (Photo by Michael ...