John Gilmore performing the Dean-Nielsen Box at Sterlini's Magic Theater in Colon, Michigan on September 17, 2022 www.gilmoremagic.com www.blindeyemagi.com
You must've sent the middle of the ropes into the 4th dimension, where they were linked, and then pulled these ropes back into the 3rd dimension. THAT's the only logical explanation. Well done, my friend!