Suki was an important crossroads for traffic of every direction leading to various provinces, where he undertook the safeguarding of the area against robber gangs and tsujigiri (killing in the street to test a new sword).
須木は諸国へ通じる「八方境」であり、賊徒や辻切りなどに対応するため忠則は守護の番をする役目に就く。