The role of the stinger is to prevent the displacement of the axle. Generally, the straight stinger can only prevent the forward and backward displacement of the middle and rear axles,
while the V-shaped stinger can prevent the left and right displacement of the middle and rear axles, because when the car is turning, the left and right displacement of the middle and rear axles may occur,
resulting in friction between the plate spring and the tires. Serious will lead to early tire grinding and even the bad accident of tire explosion