Gremlin Model 127 Adjustomatic Acoustic Guitar Parlor Acoustic GuitarNotes Interesting piece! A short scale acoustic guitar with an adjustment on rear to raise and lower the neck, and as a result, string action! In very good condition, with some small marks on the guitar body. A Gremlin Model 127 Adjustomatic Acoustic Guitar Parlor Acoustic Guitar in Very Good condition! At Evolution Music, we attempt to highlight cosmetic defects (if any) by picturing every angle of every piece of gear so you know exactly what you are