Brony, covering the knees is Halochic. I do not have the time now to give a shiur here. Speak to a Rov. I am not going to deliver a shiur here every time some MO or Mo-inclined fellow comes and starts questioning established things.
Are you a Posek that you decide things?
Have you ever heard of “Minhag Yisroel — Torah”?
Why pinky? For all I know the source might be in Kabbolah.
Who are you to agressively attack everything we do?