TRAPDOOR
| Date | Clue |
|---|---|
| 2024-06-08 | Stage opening, perhaps |
| 2022-09-11 | Prop that enabled Houdini to "walk through" a brick wall |
| 2019-11-10 | Opening in the theater, maybe |
| 2013-08-19 | Hidden exit |
| 2010-08-01 | Location for a fall |
| 2005-02-02 | Magician's secret exit |
| 2004-02-10 | Secret exit, perhaps |
| 1997-07-07 | Cause of an unexpected fall |