After several years of making electric tools, I feel that the tools are used more and more, but one problem has not changed, that is, when people press that button, their hands will be sore after a long time, and then they will stop working. I want to know, have you done any research on which finger button is more labor-saving and which posture is hand-held?

How long did it take from the beginning to the end of the design?

The finished product compromised...

I feel that the finished product drawing is not as good as the effect drawing.

It's coming back!

Ah, this is retroactive