1. Treadmill: Running is a systemic aerobic exercise, which can effectively burn fat, including thigh and calf fat.

2. Spinning bike: Like running, riding spinning bike is also a systemic aerobic exercise, which can effectively burn fat.

3. Elliptical machine: The exercise mode of elliptical machine can exercise the muscles of thighs and calves, and also improve the cardiopulmonary function.

4. Leg pusher: This device mainly exercises the muscles in the front and back of thighs, which can help shape tight thigh lines.

5. Leg bending machine: This equipment mainly exercises the inner thigh muscles, which can help shape the slender thighs.

6. Leg stretching belt: After exercising with these devices, you can use leg stretching belt to stretch thighs and calves to help relax muscles and prevent muscle soreness.

7. Mountaineer: This equipment can exercise the muscles of thighs, buttocks and calves and improve the heart and lung function.

8. Kicking board: Kicking board can help to exercise the muscles of thighs and calves and improve flexibility.

9. Yoga ball: Some movements on the yoga ball can exercise the muscles of thighs and calves, and also help to improve balance.

In short, combining the use of these instruments with proper aerobic exercise can effectively stovepipe. At the same time, diet control and whole body exercise are also the keys to stovepipe.