MCPE-16854] redstone points to sticky pistons and pistons, whereas on PC redstone forms a dot instead - Jira
Fast downwards double piston extender : r/redstone
Tile-able double Piston extender, Now up, down, and sideways, also they're flush! - Redstone Discussion and Mechanisms - Minecraft: Java Edition - Minecraft Forum - Minecraft Forum
minecraft java edition minecraft redstone - What is the most compact design of down-shifting double-pistons? - Arqade