Cycling shoes are divided into self-locking and non-self-locking. The latter is similar to ordinary sneaker, but it emphasizes fastening more. The former needs to be used with self-locking pedals. When the two are used at the same time, the soles of your feet are tied to the pedals (of course, it is also very easy to take them off). In this way, you can avoid worrying about the slipping of the soles of your feet and concentrate on increasing speed. However, the self-locking function should be used cautiously in areas with poor road conditions, because it takes about 10 seconds from falling down to unlocking the self-locking function. If the road is bumpy, the car is easy to lose control, or if you are still a novice, it is recommended not to use it.