 His work appeared in many newspapers of the underground press, including the "San Francisco Oracle", the "Berkeley Tribe", the "Fifth Estate" and the "Ann Arbor Sun".Grimshaw did many posters for the MC5 and worked with the Detroit Artists Workshop, Translove, the Hill House commune in Ann Arbor, Michigan, and later for the Rainbow Peoples Party, successor to the White Panthers.He designed a cover for the MC5's inaugural album "Kick Out the Jams", but it was replaced by a collage using photography by Joel Brodsky.