User blog comment:Jimeee/Skryim DLC Details Leaked in 1.5.26 Update Files - The Snow Prince!?/@comment-4353017-20120429225935

It's interesting that, assuming the list of crossbow animations is complete, there's nothing for 'reload' or 'bash', as there are for long bows. The 'RF' actions seem to suggest some form of non-hostile NPC, perhaps a pet?