Anonymous Was a Woman - S11-E4
Continuity mistake: In the scene when Tony and Gibbs are riding together and Tony is eating a sandwich, it starts about half gone, the angle changes and there is only a bite gone, the angle changes again and it is about half gone again.
Chosen answer: "Policing your brass", means to pick up your expended shell casings, after firing your rifle, or pistol.
pross79