translation.en: I think of it almost like like a yoga instrument because it makes you so aware of every little crazy thing your body is doing, or just aware of what you don't want it to be doing while you're playing; you don't want to have any sudden movements.
translation.zh: 但是，我想它 就像个瑜伽器械，因为它使得你 对自己身体的状况很在意， 或是很注意在弹琴时不让身体有些动作： 比如，突然的移动。