![Practical joke victims](https://cdn.statically.io/img/static.wikia.nocookie.net/memoryalpha/images/5/5e/Practical_joke_victims.jpg/revision/latest/scale-to-width-down/180?cb=20061122013841&path-prefix=en)
McCoy, Uhura, and Sulu at the bottom of a trapping pit
A trapping pit was a pit trap built into the ground as a technique for capturing an animal or Human.
In 2270, Leonard McCoy, Nyota Uhura, and Hikaru Sulu were in the recreation room testing out a simulation with a trapping pit. (TAS: "The Practical Joker")