Related Clues:
- Heavy items dropped in cartoons
- Common Vegas hotel room amenities
- Fixtures behind paintings
- They might be cracked
- Burglars' targets
- They retain heat?
- Cracker boxes?
- Strongboxes commandos lined with iron
- Hotel's hiding places
- They’re sometimes cracked
- Heist targets
- In-the-wall security features
- Strongboxes to ship containing argon and iron
- Green boxes?
- Locked boxes