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,
The Old Castle's Other Secret or A Letter from Home The Old Castle's Other Secret or A Letter from Home "The Old Castle's "Other" Secret", alternately titled "A Letter From Home", is Don Rosa's sequel to "The Crown of the Crusader Kings". The title is a reference to "The Old Castle's Secret", which was the second story to feature Scrooge McDuck and was the first in which he was a starring character in an adventure with his nephews. Scrooge McDuck and his family return to Castle McDuck to find the treasure of the Knights Templar; the caretaker is revealed to be Scrooge's sister (and Donald's and Huey, Dewey, and Louie's