A cringle's a device surrounding a hole in a textile, designed to protect the edges of the hole from abrasion. In nautical settings, cringles are often found along the edges and in the corners of sails. A cringle's distinct from a grommet, by virtue of the nature the material from which it's fabricated. Whereas a grommet's made from a material softer than the material it protects, a cringle's made from a harder material.… (More on Cringle)