Plot hole: When the guys break into the safe house and free the witness against Bobby, they are wearing masks to hide their identities. Yet after freeing the witness, Jax and Tig decide to get involved in a fist fight inside the house which would leave their DNA all over the place. Since both are undoubtedly on the police database, it would take no time at all for the police to find at least two of the culprits who assaulted two officers, an ATF agent and intimidated their star witness.
Plot hole: In season 6 episode 13 Jax comes home and finds Tara. He picks her up and holds her. In this episode Gemma is looking at the crime scene pictures that Unser has. They show Tara in her original position on the floor when Jax finds her. Not possible because Jax moved her.
Chosen answer: The First 9 wore these, as can be seen on old pictures. They later switched to leather, but Piney just never did.
Friso94