Plural bracket .
Plural bracket and can be considered as a constituency. It is a double punctuation mark, which has similar use to parentheses or braces. It is used to enclose information extracted from a text. In Modisteria y Confección is a type of simple and safe closure that is used in various types of garments. It is usually metallic or other resistant material and consists of two parts: a hook and a loop. They are widely used in bras, bras or corsets.
Bracket. Staple. Metallic element that allows you to put together, without pasting, two or more documents, fabrics, cardboard, etc. using a bracket or stapler that is loaded with a string of units, usually glued with each other.