It was a small black clutch, elegant but not too expensive looking. She picked it up with caution and unclasped the top. When she peered inside, all she saw was darkness.  An extension charm . It was genius charm work really, even Hermione had struggled with the creation of her old bag. Either this was a Nott family heirloom or Theo had made it just for Hermione. Regardless, the gesture was impressive enough that she doubted he would put anything inside that could harm the bag - and thus harm her. 