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,
Grommet (sportsperson) Grommet (sportsperson) A grommet (grom, or gremmie) is a young participant in extreme sports. Originally, a grommet was a surfer under the age of 16. In recent years, this has expanded to include other extreme sports, most notably skateboarding, roller derby and snowboarding. The first contextual use of the word appears in a 1964 article by the journalist, Nicholas Tomalin, who on a visit to Newquay in Cornwall noted that: "A surfer who is no good or just beginning is a 'gremmie'." The word "Gremmie", which was used in the United States in the 1940s and 1950s, was derived from