While thus employed he conceived the idea of the journal-afiche, and after the arrest of the king at Varennes in June 1791 he placarded a large printed sheet on all the walls of Paris twice a week, under the title of the Ami des Citoyens, journal fraternel.
Bothwell and others, his satellites or the queen's, were instantly placarded by name as the criminals.
The public buildings were placarded during the night with an intimation that four hundred knights had sworn not to leave Luther unavenged, and the ominous words Bundschuh, Bundschuh, Bundschuh (the watchword of peasant revolts) were written at the foot.