Erin's not taking chances. She retrieves a pair of nickels from a velvet coin purse at her belt (it's seen better days) and walks backwards in time with Percy. When the creatures twitch in their direction she makes a motion as if to throw and they retreat, hissing, into the depths of the store.

Once they're well outside the threshold Erin lets herself sink to one knee and pull up her pant leg.

"...Not too bad," she says after a moment. First aid supplies are retrieved from her belt pouches, starting with antiseptic that makes her hiss in pain. "You okay there, Mister...?"