Presentation by Beatriz Premazzi at the Knottings Seminar of the NLS in Laussane, Switzerland, in preparation for the next NLS Congress, "Moments of Crisis", to be held in Geneva on 9&10 May 2015. Introduction by Renato Seidl. Beatriz Premazzi is a psychoanalyst in Geneva, member of the ASREEP-NLS, the NLS and the WAP. Renato Seidl is a psychoanalyst in Laussane, Switzerland, member of the ASREEP-NLS, the NLS and the WAP. Florencia Fernández Coria Shanahan is a psychoanalyst in Dublin, member of the NLS and the WAP. She is the representative of the NLS for Radio Lacan international comittee.