Instructions:

Instructions:
Point of articulation: front upper teeth
Articulator: lower lip
Manner of Articulation: Flap – The articulator strikes its point of contact directly, as a very brief stop.
Voice: voiced – Vocal folds are close and vibrating.

Occurrence:
Kera, Mangbetu, Mono, Sika.
(Source: https://en.wikipedia.org/wiki/Labiodental_flap#Occurrence)