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A neck corset (sometimes called corset collar or neck lacer) is a type of BDSM collar. Unlike a normal corset which compresses the waist, a neck corset is usually not used to compress the neck, except in breathplay. It may act as a posture collar that incorporates stays.
Stays incorporated in a neck corset are specially made shorter, used to support the weight of the head on the shoulders, while its corset structure helps in maintaining posture by keeping the chin high and the neck extended. It is often combined with a traditional corset in order to achieve better posture.
Neck corsets are worn by both men and women, mainly in BDSM and goth subcultures. They may be decorated, and may include other bondage elements such as locking closures and D-rings for attaching a leash, rope or other restraints.
When a neck corset is worn to restrict head movement, it is known as a posture collar. Although neck corset restricts head movement it is usually not used for medical purposes like the cervical collar.