Earrings come in every type of metal, including stainless steel, but we’re starting here because it’s the one thing people can be allergic to. The most common metal allergy is nickel, which can cause itching, rash, swelling and blisters.
http://www.jewelrywise.com/jewelry-101/types-of-jewelry/earrings
Let’s take a look at the most popular. Butterfly Back Earrings (Butterfly Backs) Butterfly backs, aka, butterflies, are also commonly referred to as friction backs, are the cheapest and hence the most common type of earring backings. They consist of a metal backing in the shape of a butterfly; the thin post of the earring is simply inserted into a small hole in the center of the backing.
http://www.mazaldiamond.com/blog-en/different-types-of-earring-backs/
They can include metal, silver, gold, and have gemstones dropping down. Types of Earring Backs for pierced ears – A list of the types of earring backings that help secure the earring on your ear. Some are stronger than others, and some have screw on backs, to prevent loss of your favorite and cherished jewelry. Fish Hook – Is curved like a hook, that goes through the ear.
https://blog.jewelrywarehouse.com/2012/04/23/the-earring-guide/
An earring is a piece of jewellery attached to the ear via a piercing in the earlobe or another external part of the ear (except in the case of clip earrings, which clip onto the lobe). Earrings are worn by both sexes, although more common among women, and have been used by different civilizations in different times.
https://en.wikipedia.org/wiki/Earring
Back Up Those Earrings. Earrings are the most essential jewelry item for every woman, they sparkle and shine and add much glamor to your appearance. Given that earrings are generally worn for long periods of time and for all occasions, they need to stay securely in your ear, no matter what your scheduled activities are.
http://www.mazaldiamond.com/blog-en/different-types-of-earring-backs/
The simple term ear piercing usually refers to an earlobe piercing, whereas piercings in the upper part of the external ear are often referred to as cartilage piercings. Cartilage piercings are more complex to perform than earlobe piercings and take longer to heal.
https://en.wikipedia.org/wiki/Earring
How to put on earrings with a butterfly back. Use clean hands to prevent any risk of infection. With one hand push the earring through the hole in your ear. Next, use your other hand to hold the butterfly as close as possible to the back of your ear. Hold the earring tightly and move it around until you find the hole in the butterfly, push the earring through the hole until you feel it is securely in place.
http://www.mazaldiamond.com/blog-en/what-are-butterfly-backs-aka-butterflies/
The earring is put through the pierced ear hole and is then clipped into the hole in the butterfly. The butterfly wings fulfill two purposes, they provide balance for the earring so that it stays close to the ear and they also provide you with something to hold onto in order to pull the earring out of your ear.
http://www.mazaldiamond.com/blog-en/what-are-butterfly-backs-aka-butterflies/
Popular earring back designs include push backs, screw posts, latch backs, saddlebacks, lever backs and French clips. Push backs, also known as post or butterfly backs, are the standard design used on most stud-style earrings. A thin, straight wire is pushed into a small hole at the center of a butterfly-shaped back piece. Keep Learning.
https://www.reference.com/beauty-fashion/different-types-earring-backs-d238c4abe1b21330
Push Backs (Posts) his type of earring backing is also known as posts, post backs or butterfly backs. One of the more popular types of earring backs, post backs are very common backings for stud earrings and stud diamond earrings.A post is a thin metal wire that passes through the earlobe to hold the earring in place.
https://www.allurez.com/education-guide/earrings_backing_type_guide.html
types of pierced earring backs
Push backs, screw posts, latch backs, saddlebacks, lever backs and French clips are the types of pierced earring backs. The types of pierced earring backs are push backs, screw posts, latch backs, saddle backs, lever backs and french clips.