Maglev? Luna stops pulling at her jacket's fabric for a second. That's why her face was familiar, this is the girl reaped for their district - and she's already been hurt badly. That gives them an extra connection, but introductions won't matter if Maglev bleeds to death. Luna abandons trying to tear at her jacket and instead pulls out one of the sleeves instead. It's not much of a bandage or a tourniquet, but she can't take too long in doing anything right now.

"Okay. Maglev, give me your arm." She's close enough to the girl so that she can stretch out one hand holding the arm's cuff, her other on the jacket's main body to create some tension. "Let me try to slow the bleeding first."