|Voiceless Labiodental Fricative (Lower-case F)|
Point of articulation: upper front teeth
Articulator: lower lip
Manner of Articulation: Fricative: The articulator makes a narrow constriction against the point of articulation, so when the air flow goes through the oral passage, audible frication noise is created.
Voice: voiceless – Vocal folds are apart and are not vibrating.