Rub your right pinky finger along side of your nose to help it slide more easily from the D# key (lower pinky) to the C# and C keys on the foot joint.

• 用你的右手小指在鼻侧摩擦（获得天然油脂），以便它更容易在D%23键(低音小指)到C%23和C键之间滑动。