Learn how he does it, its not as complicated as you think. He just proved a few years back that we can be massively fooled in masses. He used 1mm thick wires that can hold up to 100kgs each. VIDEO->
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if he used a wires,when he go through a rings,a wires should be bit!:-?
or when he goes into the box,the wires should be bit!
S=Did you watch the 1st vid? Watch it then re watch the 2nd the rings never went over head, and in the box the top was put in the middle of the 2 wires.