In addition, other kuruwas were also built, such as a demaru, which was built independently of other kuruwas, and an umadashi, which was built in front of a koguchi (the entrance of the castle) to protect it.
そのほか、他より独立した形で配置される出丸（でまる）や、主に虎口を防御する目的でその前面に配置される馬出（うまだし）などもある。