Boneless, boneless, three-stage wiper which works well?

The bone wiper presses the close fit between the wiper blade and the glass through multiple fulcrums, which will cause the fatigue of the wiper motor due to the strong pressure of the wiper arm, so its advantage is that the shell is hard, and its disadvantage is that the swing is poor in use.

The first advantage of boneless wipers is that they are light. Needless to say, the second advantage is that there is a fulcrum support, that is, the so-called elastic steel sheet, which is close to one side of the wiper blade and can be pressed against the glass with a small force. In work, the glass can be completely scraped clean without great force. Therefore, from the scratch degree and cleanliness of the boneless wiper,

At present, there are many boneless wipers in basic high-end cars, and now the low-end models are gradually moving towards boneless wipers.