Threaded Studs
To Open: With one hand holding the back of the post and one hand gently supporting the frontal, unscrew the two sections by turning the frontal counterclockwise. When loose, gently pull the frontal away from the backing.
To Wear: Insert the post into your piercing from behind the ear. Then gently insert the frontal guider pin into the post from the front of the ear, turning the frontal counterclockwise to tighten until it is flush against the skin.
To Remove: Turn the frontal clockwise, gently pull the frontal away from the backing, and remove the post from your piercing.