Related Clues:
- Sheathes for a handguns
- Sheaths for handguns
- Receptacles for hand--guns, pistols etc
- Sheaths for guns
- Must be worth a lot to have to be made so secure in them
- Containers that may be cracked
- They may be hard to crack
- Places for rings, maybe
- They may be cracked using stethoscopes
- Jewel cases?
- They may be blown or cracked
- Piece keepers
- Vaults for valuables
- They're still often dialed
- Hiding places in walls