Bonjour!, French back earring closures. It may look like a fish hook, but we assure you it will make your earrings look fabulous! These consists of a long hook-shaped wire that goes into the piercing, think of a fish hook, a French wire closure is a similar shape. This closure does not lock or attach the way some others do, but generally the weight of the earring aids in the ability of the closure to hold on. Also, these are very easy to wear and remove. These hooks add stunning and adorable beauty to the person who wears them. The weight of the earring aids in the ability of the closure to hold on. You'll usually see this type of backing on long and dangling earrings.