Redstone tutorial for a 2x2 Piston Door!! Super cheap, easy, and compact! Features a button on the front so mobs cannot enter, and pressure plates on the inside for ease of exit. BUILDING MATERIALS: 4 Sticky Pistons, 2 Redstone Torches, 11 Redstone Dust, and 13 blocks of your choice for the circuit! If you found this video helpful please hit that like button and show your support by subscribing! It really help me A LOT!