David Copperfield Magic Tricks Revealed: Cutting Body into half and still can walk

This magic trick I once very impressed and really dont know how he can do it.
Probably you have watched it before but might still impress you if you watch it again.


Here is the explanation I found how the trick is done.



This video is done not so proffesionally and you can vaguely see the trick hidden behind.



Very intelligent trick though.

Regards,
Dennis Yew