The greatest impediment to doing anything, for homo sapiens, is often that it hasn’t already been done. “Well, sure, that sounds easy enough, but I just don’t know. I’ve never seen it done and my cousin’s friend heard it was impossible.”
The greatest means of smashing through that impediment is for the thing that needs doing to have already happened. “Impossible or not, we just did it 3 feet from where you are standing, while you were standing there. Here’s the video.”
The best

