A 3-sentence summary of the document: Socks can be transformed into mobile phone covers with basic supplies like socks, thread, and scissors. The instructions explain how to cut off the foot of the sock in a straight line, thread a needle with folded thread, and sew the cut edge of the sock to create a protective phone cover from an old sock. With a sock, thread, and needle, following the provided steps allows one to easily fashion a homemade phone cover.