gular fold

File:Lizard Dewlap.jpg have a retractable gular fold, a secondary sexual character, that is also employed to dissuade rivals.]]

A gular fold is a feature of the body of lizards and many other reptiles. It is a granular fold found on the ventral throat, located immediately in front of the forelegs.{{cite book |title=Handbook of Lizards: Lizards of the United States and of Canada |last=Smith |first=Hobart Muir |year=1995 |publisher=Cornell University Press |page=27 |isbn=0801482364 |url=https://books.google.com/books?id=U76Cwm8PlCQC}}