A chain or ring to which a key may be attached.
An ornamental piece holding such a chain or ring.
A digital repository for the storage of cryptographic keys.
A device or component for holding a key.
The individual or organisation with access to a cryptographic key.
A dominant partner who controls whether their submissive partner is able or allowed to orgasm or receive sexual stimulation, typically by locking the submissive partner in a chastity belt or chastity cage.
One who holds the key to a building etc. for security reasons.