I had assumed it was a weapon or tool of some kind, on first glance.

[ Lancer caught the bag no problem, her reflexes finally starting to feel like they were getting back to their previous sharpness after that embarrassing scuffle with the pegasus. She walked over to stand beside Felicia, peering at the box. ]

An odd thing to have for what appears to be a survival camp... A hand would do just as well on a lonely night.