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
Suicide by hanging the neck) and drop hanging (a calculated drop designed to break the neck). Manual strangulation and suffocation may also be considered together with hanging. To perform a suspension hanging, a rope or other ligature is tied into a noose which goes around the neck, a knot (often a running knot, which tightens easily) is formed, and the other end of the rope is tied to a ligature point; the body is then suspended, which tightens the ligature around the neck. Regardless of the material used to form the noose, suspension hanging will kill its victims in three ways: compression of