Grommet be used purely decoratively for crafting. When used in sailing and various other applications, they are called cringles. Sometimes field workers refer to them as grunyons. If metal or another hard material has a hole made in it, the hole will probably have sharp edges. Electrical wires, cord, rope, lacings, or other soft vulnerable material passing through the hole can become abraded or cut, or electrical insulation may break due to repeated flexing at the exit point. Rubber, plastic or plastic coated metal grommets are used to avoid this. The grommet could also protect the wiring/cabling from contamination from dirt,
Ring a Ring o' Roses Ring a Ring o' Roses "Ring a Ring o' Roses" or "Ring a Ring o' Rosie" is a nursery rhyme or folksong and playground singing game. It first appeared in print in 1881, but it is reported that a version was already being sung to the current tune in the 1790s and similar rhymes are known from across Europe. It has a Roud Folk Song Index number of 7925. Urban legend says the song originally described the plague, specifically the Great Plague of London, or the Black Death, but folklorists reject this idea. It is unknown what the earliest version