The title for this episode relates to the two rings Jax (Charlie Hunnam) wears, 'SO' and 'NS', spelling SONS. It also relates to the final episode of this season, with episode 3.13 being titled, "Ns", NS (2010).
There is an extended version of this episode which runs approximately 6 min longer that is available on the Blu-ray/DVD of the third season.
Hal Holbrook took on the role of Nate Madock just 4 months after the death of his wife Dixie Carter.
Kenny Johnson (Herman Kozik) & Ryan Hurst (Harry 'Opie' Winston) also worked together on Bates Motel (2013) as Caleb Calhoun & Chick Hogan, respectively. They also portrayed brothers Terry and Dominique Luca, respectively on S.W.A.T. (2017).