- Clues
- Door openers
- Door unlockers
- Guides to map off Florida
- Lock openers
- Lock-openers
- Low islands, esp. off Florida
- Almond-shell shatterers
- Kernel extractors
- Macadamia openers
- Madman insane about squirrels, for example
- Tool to open seeds and shells
- Walnut openers
- Walnut or pecan openers