Talk:Airbending/@comment-4562082-20120918155354/@comment-5083615-20121123212831

The Bison whistle is not proof. The sound came from the whistle, and as all intstruments, the proportain of air is directly and positively related to the degree of sound. He just...blew it harder than most can. Simple.? I don't know about this sound bending thing...I also don't know why flying can't be a subskill.