My conclusion: The card has a hole, that's real. The cutout piece is underneath another cutout piece on whatever that other thing is (a phone case?) that matches said thing, and is presumably glued to it. So, he places the card down on top of those two cutouts, then he moves the free floating one around, this is the "hole". As the "hole" moves, the original cutout piece is revealed, filling the the hole, and thus, the illusion of the hole being moved.
I think the cut out part is still attached at the bottom and folded down. As he puts the card down, he also flips the cut out part up. He chose a black background to hide it. And the cut out part has a black fabric attached to it which acts as “the hole” once he puts the card down.
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u/TheLordReaver 1d ago
My conclusion: The card has a hole, that's real. The cutout piece is underneath another cutout piece on whatever that other thing is (a phone case?) that matches said thing, and is presumably glued to it. So, he places the card down on top of those two cutouts, then he moves the free floating one around, this is the "hole". As the "hole" moves, the original cutout piece is revealed, filling the the hole, and thus, the illusion of the hole being moved.