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) filmmaking, focusing on acts of teen violence and cult filmmakers, including George Romero. Nails supports his work through his film company, New Eye Films, and runs the Movieside Film Festival in Chicago. '*'Fancypants" (2011) Ambulance Onlooker (uncredited) 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