Here the village was encircled by a large moat fortified with an earthen wall equipped with a fence on top, further surrounded by three external bands of fences with abatis directed outwards.
集落の外側に大濠をめぐらせて、その土で土塁を築き、その上に柵をめぐらし、その外側に三重の柵をめぐらし、この三重の柵に逆茂木を外側に向けて打ち込んでいる。