| Cylinder-type security device (4,4) |
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| Mechanism that uses pins fitted to a specific key |
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| University rugby player has security (4,4) |
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| Cylindrical door security closure (4,4) |
Puzzler |
07 Dec 2024 |
| Form of keyed door closure (4,4) |
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| Where tumblers have worked since the 1860s |
Newsday |
21 Jul 2018 |
| Key-operated device Ivy League university rugby player's used |
The Telegraph Cryptic |
20 Aug 2016 |
| Ruby's last drink with forward fellow offering security |
The Telegraph Toughie |
24 Dec 2015 |
| Eponymous security device |
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| Certain security device |
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| Security device since 1851 |
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