Finster captured his repertoire of visionary subjects in a vast range of media, from easel paintings and free-standing sculpture to giant cutouts, found-object assemblages, and dioramas. He also created paintings on rocks, gourds, bottles, briar roots, automobiles, and this trash can. On Waste Can, Finster chides people for the indiscriminate manner in which they discard things, thus ruining the land the Lord gave them.