The woman lays on a board which is held up by a metal rod. The magician stands to hide the rod, so where he is standing determines how well the trick is executed.
via Wikimedia / Ellis Stanyon
2. Cutting A Body In Half
The person in this box has to tuck their body in to give the illusion of their body being cut into pieces. Fake feet are attached at the end for when the model moves.
via Witty Feed
3. Zig Zag Girl
This trick is actually quite simple. When the assistant steps into the box she turns her body sides ways so that when the blades go in, they slide right past her body. When the mid section of the box is pushed out, only her hand goes with it, but the black lining of the box gives the illusion that her midsection has completely shifted.
via Wikipedia / Muchosucko~commonswiki
4. Into The Air
This trick is very similar to the other levitation trick but the magician does not stand in front of the support. He then passes a hoop over the assistant only going as far as the support allows which gives the illusion that the body is floating in the air.
5. Floating Man Illusion
The street performer sits on a metal seat that is attached to a rod and that rod is attached to a platform that will be concealed by a carpet.
via YouTube / settime2588
6. Cut In Half
This is one of the most classic tricks. One assistant is already in the box before the trick starts, her body concealed. When the the other assistant gets in the box, the one already inside, puts her legs out while the other hides hers, only her upper body showing. When the blades go in and the box separates, we are actually seeing one half of two people.
via Witty Feed
7. Michael Jackson Dance Trick
This dance move is much simpler than you thought! A groove in the shoes catches on a lift so when you lean over your center of gravity, you can return to an upright position without falling over!