If you like to keep your instrument out on display, eventually it will collect dust in every nook and cranny. Even if you put it back into its case every time, it will still collect dust around bridge and tuners, as well as skin around the pickups. With this tool you can keep it clean at all times with a quick swipe. The flat end is also useful to keep the fretboard and the strings clean, even though it doesn't reach under the frets closer to the headstock. A bit pricey for what it is, but quite handy.