Under the stage, it is actually hollow, and some places have empty seats. In this way, people in the boxes can walk around, some boxes show their heads, and some boxes can wave. There is such a stage for magic secrets! !

If you can look at your feet separately, it's two people. There is a black box under the box, so hide a person in advance. When the person that the audience can see becomes a box, the person in the black box sticks out his feet. The person who just turned in curled up. Then insert a knife ~ cut it and split it in half.

If the audience can't see the simplicity of the feet, the performer just needs to curl up and be ok ~

Magic is magic after all, and the general principle is props.