It's a double piston extender.
But there is no bedrock in the end.
added
Everytime i make a map the cursor my character is moves.
This and MC-218 are not duplicates that is saying that it is breaking a block and closes the trapdoor i am saying that the trapdoor closes when i have a trip wire hook on the same block that is not attached to another hook.
19331 describes my issue.
Can you please tell me the solution because that ticket was solved but I can't find the solution in it.