Natural fiber Keratin is a structural protein located at the hard surfaces in many vertebrates. Keratin has two forms, α-keratin and β-keratin and are used by different classes of animals. The naming convention for proteins follows that for keratin, alpha keratin is helical and beta keratin is sheet like. Alpha keratin is found in mammalian hair, skin, nails, horn and quills, while beta keratin can be found in avian and reptilian species in scales, feathers, and beaks. The two different structures of keratin have dissimilar mechanical properties, as seen in their dissimilar applications. The relative alignment of the keratin fibrils has a
Rusty Nails (filmmaker) Rusty Nails (filmmaker) Rusty Nails (a.k.a. Rusty Osgood, born 1966) is an American director, writer, producer, and actor. He is best known for his feature-length B-movie "Acne". Nails has also made several short films, including "God is Dad", "The Ramones and I", "Grethel and Hansel", "Animated Corpse", and "Santiago vs. Wigface", which won a special recognition award. Rusty Nails grew up in a suburb of Boston, Massachusetts and was active in Boston's punk scene. Exposed to B-movie through the local television program "Creature Double Feature", Nails became obsessed with old horror films. He made his first foray into the genre