It involves two people. One peron exhales air into the other persons nose. It like mouth to mouth resection. But Mouth to Nose.
*DO NOT BLOW AIR INTO THE NOSE.* it just feels funny and you in up licking their nose and then it is akward between the two of you.
also the person getting the nose fart *MUST HAVE THEIR MOUTH OPEN.* i dont know why but it burns your esophagus if you dont.