Is the small round mirror in the rearview mirror useful? Look at the picture and speak.

Many people have seen small round mirrors attached to rearview mirrors, some of which are called blind-spot mirrors and wide-angle mirrors. Is it useful to attach this? Let's talk about it

1. There are two kinds of small round mirrors in the rearview mirror: one is a small round mirror with an oblique angle whose base can be rotated 360 degrees. This kind of small round mirror can change multiple angles and has a wider field of vision, and the original field of vision can be changed without adjusting the rearview mirror; One is a flat small round mirror with adjustable base, which can only be adjusted together with the exterior rearview mirror, which will affect the visual field and practicality to a certain extent.

2. The small round mirror of the rearview mirror can help the owner to expand his vision, improve the safety of reversing, avoid scratching the roadside when passing on narrow roads, reduce potential safety hazards, and effectively protect the rear wheel and the body.

The driver sitting in the driver's seat has many blind spots when driving. The small round mirror in the rearview mirror can help the driver reduce some blind spots.