악기의 모양새에 따라 기류가 영향을 받는 것처럼, 끈들이 특정 모양를 땨라 진동하면 그 모양에 따라 끈들이 영향을 받습니다.
So just as those airstreams are affected by the twists and turns in the instrument, strings themselves will be affected by the vibrational patterns in the geometry within which they are moving.