"That's fine," John answers. "An extra pair of hands will be plenty of help. Can you go into the med kit and take out that black thread. It'll feel a little less flexible than real thread, more like wire."

He begins to clean the wound as best he can, wiping away blood, using a fresh cloth to hold against it for a moment to help stop the flow of blood. It has to be as clean as possible in order for him to properly stitch it closed.