How do you play a mouth harp

3) Place the harp against the front teeth, which must be slightly apart. 4) The upper and lower lips should rest on the top and bottom of the frame. 5) With your forefinger, pluck the tongue of the Jew's Harp, either by pushing or pulling. While the harp's tongue is in motion, silently pronounce the vowels (A-E-I-O-U).