In the hit movie Ninja Assassin, you can see Raizo (Rain) constantly using a weapon that is made up of a long chain and a knife at the end of it. This weapon is know as a kyoketsu-shoge. The knife's overall length is 11.5". The stainless steel blade is 3mm thick with a gut hook near the solid oval metal guard which is then followed by a black nylon cord wrapped handle. The knife pommel features a chain hook and is linked to a 51" chain ending in a weighted metal ball. The kyoketsu-shoge comes equipped with a black nylon sheath.