Abstract: The inventions relate generally to devices for trimming grass, such as string trimmers, that are attachable to a lawn mower and usable while mowing a lawn. More particularly, the inventions relate to a light-duty string trimmer wand attachable to a walk-behind lawn mower and independently operable to trim small areas of grass. Detailed information on various example embodiments of the inventions are provided in the Detailed Description below, and the inventions are defined by the appended claims.