For me no need to argue with this gadget OKM, everyone here has its own approach in YT,everyone has its own method and theory from their respective mentors, I'd like to say that the negative and positive element cannot close together, the main point here is not only the gadget but the method.The same in my area I want to combine their respective method but I am failed,since my friend arguing each other the same here.Result in the area?Failed...