Punishment Cube
From Transformers Wiki
The Punishment Cube is some kind of Decepticon technology used for punishing people. Presumably it requires one to have a goatee in order to be qualified to use it.
Fiction
Dreamwave Armada comics
Megatron threw Leader-1 and the Destruction Mini-Con Team in the Punishment Cube after they betrayed him. Leader-1 was eventually released, but the others were never seen again. Worlds Collide, Part 1 of 4
Panini Armada comics
When Cyclonus returned from a failed mission to capture some Mini-Cons, Megatron ordered Starscream to prepare the Punishment Cube for him. Armada #9
