Board Thread:General Discussion/@comment-5398287-20130625202043/@comment-8986886-20130628175630

Iron.Shadow.Dragon wrote: because a boomerang would definitely reap the life of his arm if he can't catch it properly and carefully

Or perhaps Hisagi's Bankai summons a giant kangaroo, wearing boxing gloves, which does all the fighting while Hisagi hides in its pouch?