Continuity mistake: When Palmer and Ducky are in Autopsy and Palmer is scratching his itching back, his hand disappears and reappears over his shoulder. (00:07:40)
Continuity mistake: Episode 7-20, "Moonlighting": When Palmer approaches Ducky with the rabbit's foot he thinks is a human bone, the bone jumps from his right hand to his left. (00:20:00)
Chosen answer: "Policing your brass", means to pick up your expended shell casings, after firing your rifle, or pistol.
pross79