Why would he cover it? When people attack you with knives or guns they don't go for exposed areas of the body that move quickly and are thus hard to hit they go for center-mass. The torso. There's no need to cover it, it's not a likely target.
dental records (if anyone can get that close to him).
"Hey Batman, do you mind biting down on this gel and waiting 30-45 seconds for it to set and then give it back to me? By the way what dental agency do you use?"