Depression Seals (抑制シール Yokusei Shīru) were restraints placed on Londerz Prisoners prior to freeze compression. Once the Prisoners were thawed out, should the seals become removed or damaged, the inmates would then undergo a form of thermal expansion called Rebound that turned them into giants.
List of users and locations
- Only two members of the Londerz Family did not use the Depression Seal:
- Serial Kidnapper Nabal - the inventor-turned-serial kidnapper of the Depressions Seals.
- Mutant Seal Patch: What the Time Force Ranger's Mutant Use to become giant.