1, must be tied to the pole under the bicycle seat, so that the knight can better grasp the balance.

Don't exceed one third of the front wheel, or it will drag you down.

The dog must run to the right to prevent other vehicles from hitting the dog.

Before the dog gets used to it, it must walk slowly.

5, always pay attention to the dog's movements (too fast or too slow or afraid).

6, can't let the dog dodge to the left rear, it will get stuck in the rear wheel.

7. If the dog is too fast and emotional, stop immediately to prevent emergency braking.

8. Puppies under five months can't do this kind of exercise, because the puppies' bones are not fully developed and fragile.

9. Everything must be based on safety.