You can go through the piston head.
like on my photo!
MC-10056
bad piston head hitbox
Resolved
Duplicate
0
douvenot
(Unassigned)
Unconfirmed
Snapshot 13w07a
Retrieved
Duplicate of MC-3004, please use the search function to see if your bug has already been submitted. Currently over 51% of tickets are being closed as duplicate.