These? [He reaches over his shoulder, tilting slightly to show that he's pointing to the lines, but he doesn't turn enough so that they're actually facing Tulio.]

[He looks a little wary now that they've been brought up, honestly. He pauses, considering what to tell Tulio, and his voice is a little hesitant when he does speak.] They're...I don't know what to call them, they help circulate energy so that I can keep moving.

If one gets pierced by something, it slows me down a lot. If all three are, I'm paralyzed.