Some TMNT stuff really isn't for little kids.

Debuting in Teenage Mutant Ninja Turtles/Ghostbusters 2, the trapgate is a miniature portable version of the teleporter. When the Ninja Turtles were threatened by the Collectors at the behest of the ghost of Darius Dun, the trapgate was designed rapidly by Donatello and Egon Spengler using Donatello's mental notes of Professor Zayton Honeycutt's original design combined with additional technologies the Ghostbusters had used to augment their own working teleporter model originally built from Honeycutt's blueprints. The trapgate is meant to be used in a similar fashion as a ghost trap, except instead of temporarily storing a ghost until storage inside the ecto-containment unit, the trapgate can create a one-way portal leading directly inside the containment unit itself, enabling exceptionally powerful entities like the Collectors—normally immune to ghost traps—to be captured and stored like other ghosts.
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