Designer: Franz Harary
Builder: Franz Harary Illusion Team

Assistants take multiple three foot long spikes and place them under a box containing a member of the audience. The box appears to be the end of a large “hammer.” With the man in the box, it is slammed (hammered) on top of the spikes. The box is then opened showing that the man has vanished.

https://youtu.be/DG4sv-Xl4Os