That's not a thumb ring, it's the pull tab of a Woody doll that's hidden off screen.
Somebody's poisoned the water hole.
it's a random Yoox coat by "Michelangelo" (how's that for a corny @menswear brand name?) -- in fact everything is courtesy Yoox ("Thank you, Yoox!" in a Tim Gunn accent), except for the shoes which are Crockett & Jawnz.
thanks for the thumbage, brohemians.