How to play Morchang, Morsing, Jaw Harp 

video describes how to play Morchang Morsing Jaw harp.
always hold instrument against teeth and keep some gap between top and bottom teeth , then play instrument slowly once move tongue up down back forth and breathe sir in and out so we get different sounds.
Never keep gap between instrument and teeth to avoid teeth damage.
Never keep tongue closer to string of the Instrument during playing instrument to avoid tongue damage.