Upside down goggles
Can you imagine upside down world? Realy? Even mirror all around?
Newborn baby don't understand a difference between top and bottom and everything see upside down.
Imagine that you at the beginning of voyage and to you it's necessary to learn everything anew, but thus you are not a child any more and understand that or not?
Tuning of perception - games of mind or path to Your Self?