Dewlap Dewlap A dewlap is a longitudinal flap of skin that hangs beneath the lower jaw or neck of many vertebrates. While the term is usually used in this specific context, it can also be used to include other structures occurring in the same body area with a similar aspect, such as those caused by a double chin or the submandibular vocal sac of a frog. In a more general manner, the term refers to any pendulous mass of skin, such as a fold of loose skin on an elderly person's neck, or the wattle of a bird. Dewlaps can be
Hanging times from several minutes up to 15 minutes or longer after hanging. During suspension, once the prisoner has lapsed into unconsciousness, rippling movements of the body and limbs may occur for some time which are usually attributed to nervous and muscular reflexes. In Britain, it was normal to leave the body suspended for an hour to ensure death. After death, the body typically shows marks of suspension: bruising and rope marks on the neck. Sphincters will relax spontaneously and urine and faeces will be evacuated. Forensic experts may often be able to tell if hanging is suicide or homicide, as