Abstract: A cosmetology training mannequin securing device for securing the mannequin to an edge of a wash basin in a non-vertical position for shampoo training includes: a) a mannequin neck strap, adapted to extend around the mannequin neck; b) an intermediate connection component connected to the strap and to a clamp; c) the clamp, connected to the intermediate connection component and in a position so as to attach to the wash basin with the mannequin in a shampooing non-vertical position. There is also a mannequin and securing device combination.