Many domain lords appointed excellent, young clansmen who had just celebrated their genpuku (attainment of manhood) to such positions as Kosho or Goyonin with the intention of fostering human resources to work as their hands and feet in the future.
また藩主の中には、元服したての優秀な若い藩士を小姓・側用人等に任じて、将来自分の手足として働けるような人材に育成する事を心がける藩主もいた。