When a piston is activated when a flowing water block is infront NOT a source block, the piston extends but the piston head is still where it would be if unactivated. So there is now two piston head one extended and one that isnt
When a piston is activated when a flowing water block is infront NOT a source block, the piston extends but the piston head is still where it would be if unactivated. So there is now two piston head one extended and one that isnt
Chris B
(Unassigned)
Unconfirmed
Minecraft 1.4.2
Retrieved
This is probably related to the same visual glitch in mc-136.