The Worlds SMALLEST Double Piston Extenders (Minecraft 1.13+) - YouTube
Downward Double Piston Extender, it works but I don't understand why. Any explanation? - Redstone Discussion and Mechanisms - Minecraft: Java Edition - Minecraft Forum - Minecraft Forum
Tiny double piston extender Minecraft Map
Help. How to make a double piston extender in bedrock. As shown in picture, I can make the upper one work, but not the second piston of the lower one. : r/Minecraft