It was used on ruffles, lappets, and flounces. The medusae possess multiple lobes called lappets at the bell margin. Mitre lappets are often lined with red silk. It has a yellow, bare eye ring and half moon-shaped lappets bordering the mandible. Its marginal lappets are elongated and subrectangular. Round the periphery are many small, triangular lappets. Many later papal lappets were made of embroidered silk and used lace. Papal lappets on tiaras came to be highly decorated, with intricate stitching in gold thread. In the back hanged two lappets, similar to those in a bishop's mitre. External anatomy&colon; Head with snout, cephalic lappets, cephalic tentacles and eystalks. Some had long lappets which hung down the front below shoulder level. Two short lappets always hang down from the back. On top of this base are placed the layers of lappets. These depressions are probably where "lappets" from the parietals inserted, much like "Barabetteius" and "Meyasaurus". Lappets at the side of the groove help keep the mucus stream in place.