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
Throat clamp windpipe is surrounded with less cartilage and is more malleable, while lower down, near the chest, the passageway would be increasingly harder to collapse, so the throat clamp is usually positioned high up on the animal's neck. If the prey is on the ground and pinned, most predators position themselves behind the animal to use their body's weight to help control the movements of the prey and reach around to grab the throat, usually twisting the head around, aiding in both their grasp and the blocking of the windpipe. If the prey is standing, a solitary predator can use a