Thank you for the explanation, Dan! Very simple when one thinks of it. And doesn't take the skill and heart to put out the magic that we see in your images.......

the iron rod continuous within his sleeve down to his bottom. so he sits on the hidden chair.
on the other side it hits the pavement with an iron round heavy base

Can you tell me how this is done, Dan? I've seen another image that shows one of these magicians, and it's pretty amazing. I love that you captured the two fellows off to the side, watching.