A nose hook is a BDSM device with two prongs that fit into the nostrils and is designed to pull the nostrils and nose upwards. It is typically attached to a hood, collar, or rope bondage to hold it in place.
More About Nose Hook
A nose hook may be used as part of humiliation play or as part of dehumanization. It may also be used as part of a predicament bondage scene or make bondage more uncomfortable or more strict.
Care must be taken when using items such as this. Severe damage can be done to the body if they are positioned incorrectly or tugged on too hard.