Their duty was in the wartime to serve as 直掩備 and cavalry for Shogun under the troops of hatamoto (direct retainers of the shogun), and in the peacetime to guard of Shogun in the castle.
任務は戦時は旗本部隊に於いて将軍の直掩備・騎馬隊の任に就き、平時は城内の将軍警護に就く。