"Ah, typical mistake. Or I'm assuming. I mean, I have no idea how to make a good mask, so I'd probably overlook something like that too."

Ed felt around his jacket until he found what pocket he had a pen hiding in, and hands it over to Duster.

"Here. It's not much, but you might be able to poke bigger holes in it with that. Not going to be able to scare any if you can't breath in there, right?"