VIDEOS:
The Underwater Coffin
Wolf takes the kids to a special cell in the prison with a glass wall open to the water called the "Underwater Coffin". When the tide came in, the cell would flood and drown the convict.
Example of:
Drowning Pit
Containment Unit
Example of:
Drowning Pit
KAOS' Killer Phone Booth
Example of:
Drowning Pit
Kingsman The Secret Service
Example of:
Drowning Pit