Because we can't be around. While we practice swing you must know, must see. There must be a conscious thought right now. We need to know the natural feel.Know your hands are moving.
Because we are not looking Can be seen all around as we practice swing your hands to know must be seen to be conscious that now are thinking, we need to feel naturally that hand moving.
because we can't see also look not cycle as we practice swing your hands must know to see, must be conscious that we are thinking. We need to know the natural feeling