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
MC-159945] Permanently powered piston with no redstone input (not pushing redstone block) - Jira
1-12 Piston Extenders [Redstone] | Minecraft PE Maps
Super small tileable double piston extender (horizontal) - Redstone Creations - Redstone Discussion and Mechanisms - Minecraft: Java Edition - Minecraft Forum - Minecraft Forum