2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/73697K. Habiro gave a neccesary and sufficient condition for knots to have the same Vassiliev invariants in terms of $C_k$-move. In this paper we give another geometric condition in terms of Brunnian local move. The proof is simple and self-contained.Geometric Topology57M25text