These Appendages are used to maintain prey when the spider injects venom. At the rear of the jaws would be the labium and labrum, which do the job alongside one another to direct food in the spider's mouth. Their scientific name Dermaptera basically implies “skin wings” which describes their wings https://fleas90136.collectblogs.com/74077498/the-fact-about-carpet-beetle-that-no-one-is-suggesting