Bra allows the wearer to use the tighter hooks as the bra stretches during its lifetime. Bras may be designed to enhance a woman's breast size, or to create cleavage, or for other aesthetic, fashion or more practical considerations. Nursing bras are designed to aid breast-feeding. Compression bras, such as sports bras, push against and minimize breast movement, whereas encapsulation bras have cups for support. Breast support may be built into some swimsuits, camisoles and dresses. Bras come in a variety of styles, including backless, balconette, convertible, shelf, full cup, demi-cup, minimizing, padded, plunge, posture, push-up, racerback, sheer, strapless, T-shirt, underwire,
Shelf registration Shelf registration Shelf registration, shelf offering, or shelf prospectus is a type of public offering where certain issuers are allowed to offer and sell securities to the public without a separate prospectus for each act of offering and without the issue of further prospectus. Instead, there is a single prospectus for multiple, undefined future offerings. The prospectus (often as part of a registration statement) may be used to offer securities for up to several years after its publication. A shelf registration statement is a filing with the SEC to register a public offering, usually where there is no present intention