While in Amsterdam, the two leaders issued a Manifesto calling for the Bretons not to back the French forces.
Having adopted for a flag a standard (designed by Olier Mordrel several years before) closely resembling a Nazi flag — black ermine at the center of a white circle on a red field representing "the blood of the worker" — Théophile Jeusset recruited several followers in the workshops and factories of Ille-et-Vilaine and organized about twenty meetings in the back rooms of restaurants in Rennes.