Put the summary of the bug you're having here
Tripple piston extnder:
Describe what you thought should happen here
Glitched piston:
Describe what happened here
Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
3. ...
Environment
Put your operating system (Windows 7, Windows XP, OSX) and Java version if you know it here
Duplicate of MC-8198, please use the search function to see if your bug has already been submitted. Currently over 50% of tickets are being closed as duplicate.